SOLUTION: a^2+2ab+b^2=25, find a+b
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Question 1028078
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a^2+2ab+b^2=25, find a+b
Found 2 solutions by
richard1234, fractalier
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Answer by
richard1234(7193)
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Left-hand side factors to (a+b)^2
(a+b)^2 = 25
a+b = 5 or -5
Answer by
fractalier(6550)
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put this solution on YOUR website!
As before, we factor
a^2+2ab+b^2=25
and get
(a + b)^2 = 25
Now take the root and get
a + b = 5 and
a + b = -5
Two solutions.