For which value of b can the expression x2 + bx + 18 be factored? A. -19 B. 3 C. 7 D. 17

asked Jun 4, 2021 128k views

5 votes

For which value of b can the expression x2 + bx + 18 be factored?

A.
-19
B.
3
C.
7
D.
17

3.5k points

Please log in or register to add a comment.

4 votes

Answer:

A) b = - 19

Explanation:

x² - 19x + 18 =

= x² - x - 18x + 18

= x(x - 1) - 18(x - 1)

= (x - 1)(x - 18)

Lucas Smith answered Jun 9, 2021

3.6k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.4m questions

4.4m answers