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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

answered
User Rafael Soufraz
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8.3k points

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