Factoring Variable Expressions

Factor out the coefficient of the variable term.

• x + 1

• x

• 1

• x + 0

Factor:
8x+40

• 2(4+10x)

• 8(x+5)

• 8(2x+5)

• 2x(x+5)

Factor  4x + 30y.

• 2(x + 15y)

• 4(x + 15y)

• 2(2x + 15y)

• cannot be factored

Factor
15x + 12

• 3(5x + 4)

• can't be factored

• 5(3x + 2)

• 3x(5x + 4)

Factor 6x + 12

• 3(2x + 4)

• 6(x+2)

• 6x(x+2)

• 1/2 (3x + 24)

Factor Completely:

-9u - 81

• 9(u + 9)

• -9(u - 9)

• -9(u + 9)

• -90u

Factor
-8x - 10

• 4(2x - 3)

• -2(4x + 5)

• -2(4x - 5) 

• 4(2x + 3)

Factor the following expression:

21x-36

• 3(7x-12)

• -3(7x+12)

• -15x

• 21(x-15)

15x +50xy

• -5 (3 + 10y)

• 5x (3 - 10y)

• 5x (3 + 10y)

• 5xy (3 + 10)