Question

factorise: x² + 12x - 45​

Answer 1

❤[Answer]❤

Factorise:-

$1. \: {x}^{2} + 12x - 45$

$= > {x}^{2} + 15x - 3x - 45$

$= > x(x + 15) - 3(x + 15)$

$= > (x - 3)(x + 15)$

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