Math, asked by rrameen923, 6 months ago

factorise 5x² + x-4

Answers

Answered by Anonymous

2

$= 5 {x}^{2} + x - 4 \\\\ = 5 {x}^{2} + (5 - 4)x - 4 \\\\ = 5 {x}^{2} + 5x - 4x - 4 \\ \\ = 5x(x + 1) - 4(x + 1) \\\\ = (x + 1)(5x - 4)$

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