3 years ago

What number must you add to complete the square?

2 answers:

KIM [24]3 years ago

8 0

The correct answer is D, 64

3 0

X² - 16x =23

16/2= 8; 8²=64 add 64 to both sides of the equation

x² - 16x + 64 = 23 + 64

the answer is D.

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