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14-06-2018
Mathematics

contestada

What number must you add to complete the square?

x^2-16x=23

A. -8
B. 8
C. -64
D. 64

Respuesta :

ogbonnanaomi247 ogbonnanaomi247

16-06-2018

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.

Answer Link

sistersbypride sistersbypride

13-11-2018

The correct answer is D, 64

Answer Link

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