What is the answer to u-3sqrt(u)+2=0 ?

The answer to u-3sqrt(u)+2=0 is u=4,u=1

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u-3sqrt(u)+2=0

u - 3 u + 2 = 0

u = 4, u = 1

Solution steps

u - 3 u + 2 = 0

Remove square roots

9 u = u^{2} + 4 u + 4

Solve

9 u = u^{2} + 4 u + 4 : u = 4, u = 1

u = 4, u = 1

Verify Solutions:

u = 4

True

, u = 1

True

The solutions are

u = 4, u = 1

2 x + 5 - 3 = x

x^{\frac{1}{2}} = \frac{1}{2}

y + y + 5 = 5

2 x + 3 - x + 2 = 2

x + 3 x + 1 = 5