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Precalculus
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x^2-8x=25 solve
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make it a quadratic eqaution.
x^2-8x-25=0, can you solve that?
x² + 8x = -25 x² + 8x + 16 = -9 (x+4)² = -9 x+4 = ±3i x = -4±3i
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