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Level 404

Solving Radical Equations


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Ignore?
x=27
Solve: 4x¾=36
what is an extraneous solution?
An apparent solution that must be rejected because it does not satisfy the original equation.
How do you check for extraneous solutions?
Plug it in back into the equation and solve.
x=-9
Solve: ²√x+25=8
Solve:³√2(10)+7=3
x=10