(a +b-c)^2 – (a +b+c]^2
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Answered by
1
Answer:
Don't Know
Step-by-step explanation:
I literaly don't know
farihanoor486:
well thanks
Answered by
0
Step-by-step explanation:
(a+b-c)^2-(a+b+c)²
(a+b-c+a+b+c)(a+b-c-a-b-c)
(2a+2b)-2c
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