Witch of the binomials below is a factor of this trinomial

x^2 + 19x + 84

A) x-7

B) x^2+12

C) x+84

D) x+7

Question

Mathematics

Izayah Bridges

13 June, 14:19

Witch of the binomials below is a factor of this trinomial

x^2 + 19x + 84

A) x-7

B) x^2+12

C) x+84

D) x+7

+3

Answers (1)

Know the Answer?

Ozzy · Answer 1

Let's factor the trinomial.

x^2+19x+84.

Find two numbers that add to 19 and multiply to 84.

They happen to be 7 and 12.

x^2+7x+12x+84

x (x+7) + 12 (x+7)

Gather like terms.

(x+7) (x+12)

Therefore, the answer is D.

Witch of the binomials below is a factor of this trinomialx^2 + 19x + 84A) x-7B) x^2+12C) x+84D) x+7

Witch of the binomials below is a factor of this trinomial

x^2 + 19x + 84

A) x-7

B) x^2+12

C) x+84

D) x+7