Post on 18-Jan-2018
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5.5 Factoring TrinomialConcepts 1, 3, 4, 5
Factoring Trinomials AC-method Multiply: (2x + 3)(x + 2)
Factor: 2x2 + 7x + 6
The AC-method to factor ax2 + bx + c 1. Multiply the coefficients of the first and last terms: ac
2. Find two integers that add to b but multiply to ac.
3. Rewrite the middle term with these two numbers.
4. Factor by grouping.Example: Factor 12x2 - 5x - 2
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HOMEWORK 5.4Pg. 360 – 362#10, 18, 44, 74, 80, 92