Math, asked by ranpreetsaini, 11 months ago

factorise the following = l(3m-7n)-n(3m-7n)

Answers

Answered by kunbae1996

Answer:

Step-by-step explanation:

Step-by-step explanation:

CSA = 32 m sq

= 2(l + b) h = 32

= (l + b) h = 16

TSA = 86 m sq

= 2(lb + bh + lh) = 86

= (lb + bh + lh) = 43

= lb + h(l+b) = 43

= lb + 16 = 43

lb = 43 - 16 = 27

lb = 27

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Answered by afsanafatima5

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