Mathematics
tuhpainguh
10

Solve for x. 2x^2+12x+11-(x+4)^2

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(1) Answers
Carry751

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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