simplify give answer
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-a-[a+{a+b-2a-(a-2b)}-b]
= -a-[a+{a+b-2a-a+2b}-b]
= -a-[a+a+b-2a-a+2b-b]
= -a-a-b+2a+a-2b+b
= -a-a+2a+a-b-2b+b
= -2a+2a-2b
= -2b
= -a-[a+{a+b-2a-a+2b}-b]
= -a-[a+a+b-2a-a+2b-b]
= -a-a-b+2a+a-2b+b
= -a-a+2a+a-b-2b+b
= -2a+2a-2b
= -2b
priyanshu397:
is it correct?
yes
Give me thanks
Answered by
1
ans 2b it's simple so much
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