Question

2a²b²+ab-45 facrorise it.

Answer 1

Answer:

$2a {}^{2} b {}^{2} + ab - 45 \\ 2a {}^{2} b {}^{2} + 10ab - 9ab - 45 \\ 2ab(ab + 5) - 9(ab + 5) \\ (2ab - 9)(ab + 5)$

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