Solve Polynomial Equations by Factoring

Factor:   x³ + 1

• (x + 1)³

• (x+1)(x² - x + 1)

• (x - 1) (x² + x - 1)

• (x + 1)(x² - 2x + 1)

Tags

CCSS.HSA.APR.C.4

Solve

x² + 2x - 20 = 4

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Factor this difference of cubes:
x³ - 343

• (x + 7) (x² - 7x + 49)

• (x² + 1) (x - 343)

• (x - 7) (x² + 7x + 49)

• (x² - 343) (x + 1)

Tags

CCSS.HSA.APR.C.4

Factor by grouping:
30x³+15x²-18x-9

• (5x²-3)(6x+1)

• (5x²-3)(6x+3)

• 3(5x²+3)(2x-1)

• 3(5x²-3)(2x+1)

Solve by factoring: x²-6x+9=0

• x=3

• x=-3

• x=-4, x=-2

• Not factorable

Tags

CCSS.HSA-REI.B.4B

• x= -2 ; x= -3

• x= 3; x= -8

• x= -5 ; x= -3

• x= -5 ; x= 3

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x²-9x+20 =0

• x=4, x=5

• x=-2, x=10

• x=-5, x-4

• not factorable

Tags

CCSS.HSA-REI.B.4B

Solve the polynomial equation by factoring. Choose ALL the correct solutions from the list.
n^3+2n^2+9n+18=0

• -2

• 2

• 3

• -3

Tags

CCSS.HSA-REI.B.4B

• 0

• 3

• -3

• 4

• -4

Tags

CCSS.HSF-IF.C.7C