What is the answer to x-10sqrt(x)+21=0 ?

The answer to x-10sqrt(x)+21=0 is x=49,x=9

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x-10sqrt(x)+21=0

x - 10 x + 21 = 0

x = 49, x = 9

Solution steps

x - 10 x + 21 = 0

Remove square roots

100 x = x^{2} + 42 x + 441

Solve

100 x = x^{2} + 42 x + 441 : x = 49, x = 9

x = 49, x = 9

Verify Solutions:

x = 49

True

, x = 9

True

The solutions are

x = 49, x = 9

x + 11 = 15

2 + x = 4 + x^{2}

x^{2} - x - 8 = x + 3

- b + 60 - 6 b = - 10

x^{2} - 6 x + 9 = 4 x^{2} - 6 x + 6

What is the answer to x-10sqrt(x)+21=0 ?
The answer to x-10sqrt(x)+21=0 is x=49,x=9
Solve for x: x-10sqrt(x)+21=0
The solution is x=49,x=9