Math, asked by chakms, 1 year ago

ii) 7x - [5y - {3x - (-x-2y)}]
v) m2 - [n? - {3m² - (n2 - 2m- 3n)}]​

Answers

Answered by NaushinRahman
3

Answer:

ii) 7x-[5y-{3x-(-x-2y)}]

=7x-[5y-{3x+X+2y}]

=7x-[5y-3x-x-2y]

=7x-5y+3x+X+2y

=11x-3y..... ans

v) m2-[n-{3m2-(n2-2m+3n)}]

=m2-[n-{3m2-n2+2m+3n}]

=m2-[n-3m2+n2-2m-3n]

=m2-n+3m2-n2+2m+3n

=4m2+2n-n2+2m... ans

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Answered by tarun8639
0

i hope it may be help you

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