simplify (a+b+c)(a+b-c)
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Answered by
1
Step-by-step explanation:
a^2+ab-ac+ab+b^2-bc+ac+bc-c^2
=a^2+b^2-c^2+2ab
Answered by
1
Answer:
(a+b+c)(a+b-c)=a2+ab-ac+ba+b2-bc+ca+cb-c2
=a2+2ab+b2-c2
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