Math, asked by poojadewan77, 10 months ago

factorise 30m²+25mn-30n²

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Answered by karannnn43

$\: \: \: 30 {m}^{2} + 25mn - 30 {n}^{2} \\ = 30 {m}^{2} - 20mn + 45mn - 30 {n}^{2} \\ = 10m(3m - 2n) + 15n(3m - 2n) \\ = (3m - 2n)(10m + 15n) \\ = 5(2m + 3n)(3m - 2n)$

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factorise 30m²+25mn-30n²​

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factorise 30m²+25mn-30n²