can you solve
subtract
(a-b) from ( a+b)
2)=a(b-5)from b(5-a)
please solve these 2 question for me
Answers
Answered by
6
hello dear,
(1) (a+b)-(a-b)=a+b-a+b
=>a-a+b+b=2b
(2)b(5-a)-a(b-5)
=(b*5-b*a)
=5b-ab
-a(b-5)=(-a*b-a*5)=-ab+5a
5b-ab-(-ab+5a)
=5b-ab+ab-5a
=5b-5a
i hope you understand dear, :-)
(1) (a+b)-(a-b)=a+b-a+b
=>a-a+b+b=2b
(2)b(5-a)-a(b-5)
=(b*5-b*a)
=5b-ab
-a(b-5)=(-a*b-a*5)=-ab+5a
5b-ab-(-ab+5a)
=5b-ab+ab-5a
=5b-5a
i hope you understand dear, :-)
sneha246:
please explain me it breafly
the answer i edit
see
a+b-(a-b)=a+b-a+b=a-a+b+b=2b
i cant understand how it is 2b
ab samjhi
we add b+b we get 2b
thanks
plz mark as brainies
dear
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