2a-[4b-{4a-(3b-2a+2b)}]
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2a-[4b-{4a-3b+2a-2b}]
2a-[4b-4a+3b-2a+2b]
2a-4b+4a-3b+2a-2b
2a+4a+2a-4b-3b-2b
8a-9b
2a-[4b-4a+3b-2a+2b]
2a-4b+4a-3b+2a-2b
2a+4a+2a-4b-3b-2b
8a-9b
shwetashankarapdl4it:
acctually l think you did not copied the correct answer see the answer l have send you
yes it can be a misprint also
because l did got the same answer as you
but i think answer in book is correct
i rechecked it in my equation calculator
i get 8a-9b as a answer
l think book is wrong
must be a misprint
ok thanks
okay
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