Solve by Factoring

Factor the following:

x² + 10x + 21

• (x + 7)(x + 3)

• (x + 8)(x + 2)

• (x - 3)(x + 7

• (x + 4)(x + 5)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

Solve

x² + 2x - 24 = 0

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve by GCF factoring

5x² + 15x = 0

• x = 0, x = -3

• x = 5, x = 3

• x = 15, x = 0

• x = 3, x = 1

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring:

x² - 49 = 0

• x = 7

• x = 7, x = -7

• x = 49

• x = 24.5, x = -24.5

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring:

x² + 10x + 16 = 0

• x = 8, x = 2

• x = -8, x = -2

• x = 4, x = -4

• x = 10, x = 16

Tags

CCSS.HSA-REI.B.4B