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Popular >

sqrt(x^2)=9

Solution

x^{2} = 9

Solution

x = 9, x = - 9

Solution steps

x^{2} = 9

Square both sides:

x^{2} = 81

x^{2} = 81

Solve

x^{2} = 81 : x = 9, x = - 9

x = 9, x = - 9

Verify Solutions:

x = 9

True

, x = - 9

True

The solutions are

x = 9, x = - 9

Popular Examples

x^{π} = 2

x + 7 x - 8 = 0

sqrt(231+42z)-z=16

231 + 42 z - z = 16

sqrt(5)=sqrt(3x)+sqrt(5-3x)

5 = 3 x + 5 - 3 x

3x^2-2sqrt(5x)=5

3 x^{2} - 2 5 x = 5

Frequently Asked Questions (FAQ)

What is the answer to sqrt(x^2)=9 ?
The answer to sqrt(x^2)=9 is x=9,x=-9
Solve for x: sqrt(x^2)=9
The solution is x=9,x=-9