Math, asked by aasif20070406, 3 months ago

(3x+3)(3x+3)-(x+5)(x-4)

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Answered by dheerajbaranwal2016

1

$= 9x {}^{2} + 18x + 9 - (x {}^{2} - 4x + 5x - 20) \\ = 9 {x}^{2} + 18x + 9 - {x}^{2} - x + 20 \\ = 8 {x}^{2} + 17x + 29$

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