Factoring Pairs

Factor:

x² + 17x + 72

• (x + 3) (x +14)

• (x + 4) (x + 8)

• (x + 9) (x + 8)

• (x + 10) (x + 6)

x² + 9x + 18 = 0

• (x + 6)(x + 3) = 0

• (x + 3)(x + 9) = 0

• (x + 5)(x + 10) = 0

• (x + 1)(x + 9) = 0

Tags

CCSS.HSA-REI.B.4B

x² + 14x + 49 = 0

• (x + 7)(x + 7) = 0

• (x + 3)(x + 11) = 0

• (x + 2)(x + 7) = 0

• (x + 1)(x + 49) = 0

Tags

CCSS.HSA-REI.B.4B

• Sum/difference of cubes

• Factor by grouping

• Factor pairs

• Difference of Squares

Factor x² +7x +12

(What factor pair of 12 has a SUM of 7)

• (x + 1)(x + 12)

• (x + 2)(x + 6)

• (x + 3)(x + 4)

• (x + 6)(x + 6)

Factor x² +11x +28

(What factor pair of 28 has a SUM of 11)

• (x + 1) (x + 28)

• (x + 3) (x + 8)

• (x + 2) (x + 14)

• (x + 4) (x + 7)

Factor x² -11x +28 (What factor pair of 28 has a SUM of -11)

• (x + 4)(x + 7)

• (x - 4)(x + 7)

• (x + 4)(x - 7)

• (x - 4)(x - 7)

Click All Factor Pairs of 18

• 1*17

• 2*9

• 3*6

• 4*7

Tags

CCSS.4.OA.B.4

Click All Factor Pairs of 12

• 1*12

• 2*6

• 3*4

• 4*8

Tags

CCSS.4.OA.B.4

Click All Factor Pairs of 40

• 1*40

• 4*9

• 5*8

• 6*7

Tags

CCSS.4.OA.B.4