20.4k views
0 votes
30 POINTS PLEASE HELP

2 QUESTIONS

30 POINTS PLEASE HELP 2 QUESTIONS-example-1

1 Answer

7 votes

x^2 + 14x = 32

To make a perfect square, you need to add 49 to both sides

x^2 + 14x + 49 = 32 + 49

Answer: 49

Solve:

x^2 + 14x + 49 = 32 + 49

(x + 7)^2 = 81

(x + 7)^2 = 9^2

So

x + 7 = 9

x = 2

and

x + 7 = -9

x = -16

Answer:

x = 2 and x = -16

User Rafael Soufraz
by
5.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.