Solve the equation. Identify any extraneous solutions

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asked Feb 17, 2018 115k views

1 vote

Solve the equation. Identify any extraneous solutions

Mathematics
high-school

GlenPeterson asked

by GlenPeterson

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1 Answer

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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.

Adam Coulombe answered Feb 21, 2018

by Adam Coulombe

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