Question

factorise X square + 2 x minus 15​

Answer 1

Step-by-step explanation:

$= {x}^{2} + 2x - 15 \\ \\ = {x}^{2} + 5x - 3x - 15 \\ \\ = x(x + 5) - 3(x + 5) \\ \\ = (x + 5)(x - 3)$

Answer 2

Answer:

-5 and 3

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