How do you solve 5⋅[√a−3]−10=0?

1 Answer
Noah G
Apr 24, 2016

Isolate the radical

Explanation:

5√a−3=10

√a−3=2

(√a−3)2=(2)2

a−3=4

a=7

Checking this solution in the original equation we find that it doesn't work. Thus, there is no solution to this equation; it has a solution set {∅}

Hopefully this helps!

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