What value is added to both sides of the equation x2 − 8x = −10 in order to solve by completing the square

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jaggerrick jaggerrick

11-11-2016
Mathematics

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What value is added to both sides of the equation x2 − 8x = −10 in order to solve by completing the square

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miriyu miriyu · Answer 1 · 2016-11-11T22:34:13+01:00

miriyu miriyu

11-11-2016

the way you complete the square is by taking the "middle" term, in this case (-8) and halving it, then squaring it. the perfect square you'll add to both sides is 16.

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