# Maharashtra Class 7 Answered

**(3x+4y) * (5x+7y)**

Asked by batul.azizrampurawala | 15 Oct, 2020, 17:08: PM

Expert Answer

(3x + 4y) * (5x + 7y)

= 3x(5x + 7y) + 4y(5x + 7y)

= 15x

^{2}+ 21xy + 20xy + 28y^{2}= 15x

^{2}+ 41xy + 28y^{2}
Answered by | 17 Oct, 2020, 01:53: AM

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