Last one ... (w+6)^2=3(w+12)-w^2

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asked Sep 26, 2017 140k views

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Last one ... (w+6)^2=3(w+12)-w^2

Mathematics
high-school

Andrew Madsen asked

by Andrew Madsen

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1 Answer

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First, distribute on both sides.
w^2+6^2=3w+36-w^2
Simplify 6^2.
w^2+36=3w+36-w^2
Subtract w^2 from both sides.
36=3w+36
Subtract 36 from both sides.
0=3w
Divide both sides by 3.
0=w

Heiberg answered Oct 1, 2017

by Heiberg

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