Which of these is a factor of 12x³ – 8x?

4x

8x

4x²

8x²

What are the terms and factors of the expression 6x + 15?

The terms are 6x, 15, 3, and 2x + 5.

The factors are 6x, 15, 3, and 2x + 5.

The terms are 6x and 15, and the factors are 3 and 2x + 5.

The factors are 6x and 15, and the terms are 3 and 2x + 5.

Which of these is equivalent to 12x² + 23x + 10?

12x² + 8x + 15x + 10

4x(3x + 2) + 5(3x + 2)

(4x + 5)(3x + 2)

all of these

Factor x² + 12x + 20.

(x + 4)(x + 5)

(x + 4)(x + 8)

(x + 3)(x + 9)

(x + 2)(x + 10)