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Factorization

2 x2-7 x-15

Question

2x² $-$ 7x $-$ 15

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Solution

$We have, 2 x^{2} - 7 x - 15 = 2 x^{2} + 3 x - 10 x - 15 [Since, 2 \times (- 15) = - 30 3 \times (- 10) = - 30 And 3 + (- 10) = - 7] = x (2 x + 3) - 5 (2 x + 3) = (2 x + 3) (x - 5)$

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