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Factorise: 2a^2+7ab-15b^2 |
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Answer» ONG>Step-by-step explanation: 2a^2+7ab-15b^2 =2a^2+10ab-3ab-15b^2 =2a(a+5b)-3B(a+5b) =(2a-3b)(a+5b) |
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