factorize

What are the factors of 2x - 4?

• x-2

• 2(x - 2)

• 2(x+2)

• x-2

what are the factors of x² - 1 ?

• (x - 1)²

• (x - 1)(x- 1)

• (x + 1)(x - 1)

• 2x - 1

Resolve into factors: x² + 5x + 6 ?

• (x + 1)(x + 4)

• (x + 2)(x +3)

• (x-1)(x + 6)

• (x - 2)( x - 3)

what are the factors of x² - 6x + 9 ?

• (x - 3)(x + 3)

• (x + 3)(x + 3)

• (x + 1)(x + 9)

• (x - 3)(x - 3)

what are the factors of a³ + 2a²b + ab² ?

• (a² + b)²

• (a³ + ab²)²

• a(a + b)²

• {a(a + b)}²