What number must you add to complete the square? x^2+10x=29

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asked Feb 20, 2018 50.9k views

1 Answer

James Huang · Answer 1 · 2018-02-26T13:20:35+0000

x² + 10x + 29 = 0
x = -(10) ± √((10)² - 4(1)(29))
2(1)
x = -10 ± √(100 - 116)
2
x = -10 ± √(-16)
2
x = -10 ± 4i
2
x = -5 ± 2i
x = -5 + 2i or x = -5 - 2i

THe roots of the function is 5 ± 2i.

What number must you add to complete the square? x^2+10x=29

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