Please solve these sums with their explanations, I will mark you as a brainlist. ❤❤❤❤❤
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10) -7mn+2msq +3nsq.
+ ( 2mn+msq.+nsq.)
= -5mn+3msq.4nsq.
11) 17ycube+34ysq.-51y+68
-( -12ysq.+y+14+y4)
= 17ycube+46ysq.-52y+54-y4
12) 93psq.-55p+4
-(-5psq.+17p-90-13pcube)
=98psq.-72p+94-13pcube
13) full question is not given crop pic full of question
14) same for it also
please make me now brainlist
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