Factoring Polynomials (Leading Coefficient=1)

Factor the following polynomial:

x² - x - 30

• (x + 5)(x - 6)

• (x + 1)(x - 30)

• (x + 6)(x - 5)

• (x + 10)(x - 3)

What are the factors of x² + 13x + 40?

• (x - 4)(x - 10)

• (x + 5)(x - 8)

• (x + 4)(x + 10)

• (x + 5)(x + 8)

The factors of x² + 2x - 15 are-

• (x - 5)(x + 1)

• (x - 5)(x + 3)

• (x + 5)(x - 3)

• This is a prime polynomial.

What are the factors of x² + 26x + 27?

• (x + 9)(x - 3)

• (x - 9)(x + 3)

• (x + 27)(x - 1)

• This is a prime polynomial.

The factors of x² - 4xy - 45y² are -

• (x + 5y)(x - 9y)

• (x - 5y)(x + y)

• (x - 5y)(x + 9y)

• This is a prime polynomial.

Check all of the factors of x² - 11x + 10.

• (x - 10)

• (x + 10)

• (x + 5)

• (x + 1)

• (x - 1)

Choose all of the factors of x² - 15x + 50.

• (x - 10)

• (x + 10)

• (x - 25)

• (x - 5)

• (x + 5)

Choose all of the factors of x² = - 9x - 18.

• (x - 3)

• (x + 3)

• (x - 9)

• (x - 6)

• (x + 6)