Solve the equation. Identify any extraneous solutions

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asked Feb 17, 2018 115k views

1 Answer

Adam Coulombe · Answer 1 · 2018-02-21T14:01:31+0000

Squaring both sides of the given equation: w^2=7w, or w^2-7w=0.

w^2-7w=0 can be factored: w(w-7)=0. Then, w=7 or w=0. Both 0 and 7 are solutions of this equation.

Solve the equation. Identify any extraneous solutions

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