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Factoring

from class:

Algebra and Trigonometry

Definition

Factoring involves breaking down an expression into a product of simpler expressions, often to solve equations or simplify. It is particularly useful for solving quadratic equations.

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5 Must Know Facts For Your Next Test

  1. The standard form of a quadratic equation is $ax^2 + bx + c = 0$.
  2. The most common method for factoring quadratics is finding two numbers that multiply to $ac$ and add to $b$.
  3. Quadratic equations can often be factored using techniques like grouping, the difference of squares, and perfect square trinomials.
  4. If a quadratic equation cannot be factored easily, the quadratic formula or completing the square may be used instead.
  5. Factoring is essential for solving higher-degree polynomials by reducing them into simpler quadratic forms.

Review Questions

  • What are the steps to factor the quadratic equation $x^2 - 5x + 6 = 0$?
  • How do you determine if a quadratic equation can be factored?
  • What methods can you use if direct factoring of a quadratic equation is difficult?
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