find the product : with solution
(a - b)
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find the product : with solution(a - b)
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Answer:
a^2 + 2ab + b^2
2. a^2 - b^2
5. a^2+ 2ab + b^2 + 2bc + c^2 + 2ac
Step-by-step explanation:
1. (a+b)^2 = (a+b)(a+b)
= a^2 + ab +ab + b^2
= a^2 + 2ab + b^2
2. = a^2 - ab +ab -b^2
= a^2 - b^2
5. = (a+b+c)(a+b+c)
= a^2 + ab+ ac + ab +b^2+ bc + ac +bc + c^2
= a^2+ 2ab + b^2 + 2bc + c^2 + 2ac
Step-by-step explanation: