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Popular >

sqrt(81-x)-x=9

Solution

81 - x - x = 9

Solution

x = 0

Solution steps

81 - x - x = 9

Remove square roots

81 - x = 81 + 18 x + x^{2}

Solve

81 - x = 81 + 18 x + x^{2} : x = 0, x = - 19

x = 0, x = - 19

Verify Solutions:

x = 0

True

, x = - 19

False

The solution is

x = 0

Popular Examples

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0.5(x+2)^{2/3}=8

0.5 (x + 2)^{\frac{2}{3}} = 8

Frequently Asked Questions (FAQ)

What is the answer to sqrt(81-x)-x=9 ?
The answer to sqrt(81-x)-x=9 is x=0
Solve for x: sqrt(81-x)-x=9
The solution is x=0