Factoring Trinomials (a>1)

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GCF stands for:

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Greatest Common Factor

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CCSS.7.EE.A.1

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(a + 7)(7a + 4)

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Factor the expression: 4x^2 + 25

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Prime

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CCSS.HSA.APR.C.4

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What is a trinomial?

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A polynomial with three terms.

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What is the standard form of a quadratic equation?

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ax^2 + bx + c, where a, b, and c are constants.

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What does it mean to factor a polynomial?

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To express it as a product of its factors.

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3

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CCSS.HSA.APR.D.6

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(x - 3)(x + 3)

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CCSS.HSA.APR.C.4

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What is the difference of squares?

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A special case of factoring: a^2 - b^2 = (a - b)(a + b).

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CCSS.HSA.APR.C.4

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How do you factor by grouping?

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Group terms with common factors and factor them out.