Factoring Polynomials Using X Method

Factor: x² - 400

• ( x - 200) ( x + 200)

• ( x + 20) ( x + 20)

• Prime

• ( x - 20) ( x + 20)

Tags

CCSS.HSA.APR.C.4

Factor Completely: 4x² - 20x + 25

• (4x - 25) (x -1)

• (2x + 5) (2x - 5)

• (2x - 5)²

• (4x - 5) (x - 5)

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)

Factor using AC method:

x⁴ − 7x² − 18

• (x + 3)²(x² − 2)

• (x − 3)²(x² + 2)

• (x² + 9)(x² − 2)

• (x − 3)(x + 3)(x² + 2)

Factor the polynomial completely (grouping).

• A

• B

• C

• D

Factor completely (AC method & difference of squares):

x⁴ + 4x² - 32

• (x - 4)(x + 8)

• (x² - 4)(x² + 8)

• (x - 2)(x + 2)(x + 4)(x + 4)

• (x - 2)(x + 2)(x² + 8)

Tags

CCSS.HSA.APR.C.4

Factor the GCF
63x⁴ - 7x² + 28x

• 7x(9x² - 7 + 4x)

• x(63x³ - 7x + 28)

• 7x(9x³ - x + 4)

• not factorable

Factor the polynomial completely (GCF & grouping).

• A

• B

• C

• D

Tags

CCSS.HSA.APR.C.4

Factor

n² + 16n + 63

• (n-3)(n-10)

• (n+7)(n-9)

• (n+7)(n+9)

• (n-7)(n+4)

Factor

x² + 9x - 36