Factoring Take a trinomial and break it into two binomials.

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Factor each trinomial:
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Presentation transcript:

Factoring Take a trinomial and break it into two binomials. Ex: x2 + 7x + 6 = (x + 6)(x + 1)

Notes X2 + 3x + 2 ( + )( + ) X2 - 3x - 2 ( + )( - )

factoring x2 - 4x - 21 X2 – 9x + 20 X2 + 6x + 8 X2 + 4x + 4

Factoring X2 – x - 8 X2 – 8x + 15 X2 + 9x + 14 X2 + 3x + 5

Factoring X2 - 2x - 24 X2 + 4x + 3 X2 + 8x + 7 X2 + 2x - 3

Factor x2 – 5x + 4 X2 – 4x + 4 X2 – 8x + 7 X2 – 7x + 12

Solve by Factoring X2 – 11x + 28 = 0 X2 – 3x – 10 = 0

Solve by factoring X2 + 4x + 3 = 0 X2 – 5x + 4 = 0 X2 + 5x – 6 = 0

Homework (factor the trinomial and solve) X2 + 6x + 5 x2 + 8x – 9 X2 + 5x – 3 x2 – x – 20 x2 + 8x + 16 x2 – 3x – 18 M2 – 7m – 30 w2 + 13w + 36 B2 + 3b – 40 x2 + 7x + 10 X2 + 5x – 14 x2 + 6x + 9 X2 + 16x + 15 x2 – 20x + 100