Real math help.
How Do You Simplify a Polynomial Over a Polynomial Using Opposite Binomial Factors?
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Simplifying a rational expression? You could factor the numerator and denominator and then cancel like factors. Learn what to do in this tutorial!
Background Tutorials
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Interpret parts of an expression, such as terms, factors, and coefficients.
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What is a Constant?
Constants are parts of algebraic expressions that don't change. Check out this tutorial to see exactly what a constant looks like and why it doesn't change.
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Use the structure of an expression to identify ways to rewrite it.
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How Do You Factor a Polynomial Using Difference of Squares?
Trying to factor a binomial with perfect square factors that are being subtracted? You have a difference of squares problem! Learn how to factor a binomial like this one by watching this tutorial.
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Factor a quadratic expression to reveal the zeros of the function it defines.
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How Do You Factor a Trinomial?
Factoring trinomials can by tricky, but this tutorial can help! Follow along as a trinomial is factored right before your eyes! Then, check your answer by using the FOIL method to multiply the binomials back together and see if you get the original trinomial.
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Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.
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What's a Rational Expression?
Got a fraction with a polynomial in the numerator and denominator? You have a rational expression! Learn about rational expressions in this tutorial.
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Further Exploration
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Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.
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How Do You Divide Two Rational Expressions?
Dividing two rational expressions? Turn it into a multiplication problem by multiplying by the reciprocal of the second rational expression (the divisor)! This tutorial shows you how to do just that! Then, you'll see how to perform the multiplication and simplify to get you answer!
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Solve simple rational and radical equations in one variable, and give examples showing how extraneous solutions may arise.
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How Do You Solve a Rational Equation by Adding Fractions?
Want some extra practice solving rational equations? This tutorial gives you just that! You'll see how to solve a rational equation containing rational expressions with common denominators. Then, you'll see how to solve an equation containing rational expressions with unlike denominators. Take a look!
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