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Trey Clayton
Mathematics
14 December, 19:32
Solve for x.
2x^2+12x+11 - (x+4) ^2
+1
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Barry
14 December, 19:52
0
2x² + 12x + 11 - (x - 4) ²
2x² + 12x + 11 - 1 (x - 4) ²
2x² + 12x + 11 - 1 (x - 4) (x - 4)
2x² + 12x + 11 - 1 (x (x - 4) - 4 (x - 4))
2x² + 12x + 11 - 1 (x (x) - x (4) - 4 (x) + 4 (4))
2x² + 12x + 11 - 1 (x² - 4x - 4x + 16)
2x² + 12x + 11 - 1 (x² - 8x + 16)
2x² + 12x + 11 + 1 (x²) + 1 (8x) - 1 (16)
2x² + 12x + 11 + x² + 8x - 16
2x² + x² + 12x + 8x + 11 - 16
3x² + 20x - 5
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