Subtract:
(a²+b²-2ab) from (a²+b²+2ab)
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Answers
Answered by
1
Answer:
a2+b2+2ab
a2+b2-2ab
(-). (-). (+)
4ab(ans)
Step-by-step explanation:
Hope it helps.....
Answered by
1
Answer:
4ab
Step-by-step explanation:
If a substraction sign is before a bracket than the signs behind the bracket will change. For eg = a-(a+b-c) = a-a-b+c
(a²+b²+2ab)-(a²+b²-2ab).
=a²+b²+2ab-a²-b²+2ab
=4ab
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