LCM and GCF of Polynomials

L.C.M. of x² + x - 12 and x² - 9 is

• (x + 3)(x + 4)

• (x - 3)(x + 4)

• (x - 3)(x + 3)(x + 4)

• x - 3

What is the GCF of 18k and 15k³ ?

• 3k²

• 3k³

• 3k

• 5k

What is the GCF of 10a²b³ and 20a²b² ?

• 20a²b³

• 10a²b³

• 20ab²

• 10a²b²

What is the least common multiple (LCM) of 48x²and 32x³?

• 8x²

• 16x²

• 16x

• 96x³

What is the least common multiple (LCM) of 42xy² and 28x³y?

• 84x³y²

• 14y

• 14xy

• 14xy²

What is the least common multiple of 20a²b² and 50b³?

• 100a²b³

• 10b³

• 10ab²

• 10b²

What is the GCD of x² -1 and x²+ 2x + 1 ?

• (x+1) (x + 1)²

• (x-1) (x + 1)²

• (x-2) (x + 1)²

• (x-1) (x + 2)²

What is the GCD of t, t² -1, and t²+ 5t − 6?

• t(t − 1)(t − 6)

• t (t² -1)²

• t(t − 1)(t + 1)(t − 6)

• t(t + 1)(t − 6)

What is the GCF of 3x and 99x

• 3x

• x

• 99

• 67x

Factor the following polynomial using the GCF: