Factoring Trinomials: a = 1

Question 1

Which shows one way to determine the factors of x3 + 11x2 – 3x – 33 by grouping?

Revolt · Accepted Answer

x2(x + 11) – 3(x + 11)

Question 2

Which shows one way to determine the factors of x3 + 4x2 + 5x + 20 by grouping?

Revolt · Accepted Answer

x2(x + 4) + 5(x + 4)

Question 3

Factor x3 – 4x2 + 7x – 28 by grouping. What is the resulting expression?

Revolt · Accepted Answer

(x2 + 7)(x – 4)

Question 4

Which shows one way to determine the factors of x3 – 12x2 – 2x + 24 by grouping?

Revolt · Accepted Answer

x2(x – 12) – 2(x – 12)

Question 5

Which polynomial is prime?

Revolt · Accepted Answer

3x3 – 2x2 + 3x – 4

Factoring Trinomials: a = 1 Answers