Math, asked by punithgowdab2007, 2 months ago

simplify (7m-4n)²-(7m+4n)²

Answers

Answered by kiran12355

3

Step-by-step explanation:

[(7m)^2-2*7m*4n+(4n)^2]-[(7m)^2+2*7m*4n+(4n)^2]

=(49m^2-56mn+16n^2)-(49m^2+56mn+16n^2)

=49m^2-56mn+16n^2-49m^2-56mn-16n^2

= -112mn

Answered by kushurakhi

0

Step-by-step explanation:

here is ur answer

I hope it helps u

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