What number must you add to complete the square? x2 + 8x = 50

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asked Nov 9, 2018 24.6k views

1 Answer

Yoann Kergall · Answer 1 · 2018-11-15T08:27:47+0000

take 1/2 of the linear coefinet and squrae it
that would be 8
8/2=4, 4^2=16
add 16 to both sides to complete the square (it would end up like (x+4)^2=66)

What number must you add to complete the square? x2 + 8x = 50

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