How do you solve 5 * [sqrt( a - 3 )] - 10 = 0?

1 Answer
Noah G
Apr 24, 2016

Isolate the radical

Explanation:

5sqrt(a - 3) = 10

sqrt(a - 3) = 2

(sqrt(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 {O/}

Hopefully this helps!

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