Multiplying and Factoring Binomials

Find the factors of 5x² + 20x + 20

• 5(x+2)(x+2)

• 5(x-2)(x-2)

• 5(x+2)(x-2)

• (5x+2)(x+2)

Factor
d² - 10d + 25

• (d + 5) (d - 5)

• (d - 15) (d + 10)

• (d + 5) (d - 20)

• (d - 5) (d - 5)

Factor Completely: 2x² + x - 6

• (x + 2) (2x -3)

• (x - 6) (2x + 1)

• (x + 1) (2x - 6)

• (x - 2) (2x + 3)

Find the factors of x²-81

• (x-9)(x+9)

• (x+9)(x+9)

• (x-9)(x-9)

• Can't be factored

Simplify:
(x - 7)(x + 7)

• x² + 7x - 49

• x² - 7x + 49

• x² - 49

• x² + 49

What is a method of checking your work when factoring?

• FOIL

• asking the teacher every time

• assume you're correct

• division

(4x + 3)(x + 2)

• x² + 11x + 6

• 4x² + 8x + 6

• 4x² + 3x + 6

• 4x² + 11x + 6

Multiply these binomials.

• x² - 11x - 24

• x² + 5x - 24

• x² - 5x - 24

• x² + 11x - 24

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12

• 5x³ + 17x² - 24x +12

• 5x³ - 13x² + 24x +12

• 5x³ +13x² - 24x - 12

8r³ + 16r²

• 4r²(2r + 4)

• 8r²(r + 2)

• 8(r³ + r²)

• 4(r³ + 2r²)