Factoring Quadratics by FOIL

Factor: Write on paper. FOIL Factoring Day 2

1. 2x²+15x+7

• (2x+7)(x+1)

• (2x+1)(x+7)

• (2x-7)(x-1)

• (2x-1)(x-7)

3x²+17x+10

• (3x+10)(x+1)

• (3x+5)(x+2)

• (3x+1)(x+10)

• (3x+2)(x+5)

4x²+9x-9

• (4x-1)(x+9)

• (2x+9)(2x-1)

• (4x-3)(x+3)

• (2x-3)(2x+3)

Tags

CCSS.HSA-REI.B.4B

6x²-19x+15

• (2x-5)(3x-3)

• (6x-5)(x-3)

• (6x-1)(x-15)

• (2x-3)(3x-5)

20x²-13x+2

• (4x-2)(5x-1)

• (4x-1)(5x-2)

• 20x-1)(x-2)

• (20x-2)(x-1)

9x²+12x+4

• (3x+4)(3x+1)

• (3x+2)(3x+2)

• (9x+2)(x+2)

• (x+4)(9x+1)

Tags

CCSS.HSA.APR.C.4

10x²+19x-15

• (5x-3)(2x+5)

• (2x-1)(5x-15)

• (5x+3)(2x-5)

• (10x -3)(x+5)

16x²+32x-9

• (4x+3)(4x-3)

• (4x+1)(4x-9)

• (4x-1)(4x+9)

• (8x-3)(2x+3)

Tags

CCSS.HSA-REI.B.4B

Factor. Write with no parentheses. Write it on paper first!

3x²-7x-20

30x²-17x+2