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Precalculus 16 Online
OpenStudy (anonymous):

x^2-8x=25 solve

OpenStudy (anonymous):

make it a quadratic eqaution.

OpenStudy (anonymous):

x^2-8x-25=0, can you solve that?

OpenStudy (nathan917):

x² + 8x = -25 x² + 8x + 16 = -9 (x+4)² = -9 x+4 = ±3i x = -4±3i

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