Question

2x²+x-15 factorisation​

Answer 1

Answer:

2x² - x - 15

2x² - 6x + 5x - 15

2x(x - 3) + 5(x - 3)

(x - 3)(2x + 5)

Step-by-step explanation:

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Answer 2

$= {2x}^{2} + 6x - 5x - 15 \\ = 2x(x + 3) - 5(x + 3) \\ = (x + 3)(2x - 5).$