Math, asked by poojadewan77, 8 months ago

factorise 30m²+25mn-30n²​

Answers

Answered by karannnn43
6

 \:  \:  \: 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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