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Factoring

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College Algebra

Definition

Factoring is the process of breaking down an expression into a product of simpler expressions, often polynomials. It simplifies solving equations by expressing them as a product of factors.

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5 Must Know Facts For Your Next Test

  1. The most common method for factoring quadratic equations is to express them in the form $ax^2 + bx + c$.
  2. A quadratic equation can be factored if its discriminant $b^2 - 4ac$ is a perfect square.
  3. Factoring can reveal the roots (solutions) of a quadratic equation by setting each factor equal to zero.
  4. The Zero Product Property states that if $ab = 0$, then either $a = 0$ or $b = 0$.
  5. Common factoring techniques include grouping, using the difference of squares formula, and completing the square.

Review Questions

  • What form does a quadratic equation need to be in to apply factoring?
  • How does the Zero Product Property help in solving factored equations?
  • What condition must be met for a quadratic equation to be easily factorable?
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