x^2+y^2-8=0

Simple and best practice solution for x^2+y^2-8=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2+y^2-8=0 equation:


Simplifying
x2 + y2 + -8 = 0

Reorder the terms:
-8 + x2 + y2 = 0

Solving
-8 + x2 + y2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + x2 + 8 + y2 = 0 + 8

Reorder the terms:
-8 + 8 + x2 + y2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + x2 + y2 = 0 + 8
x2 + y2 = 0 + 8

Combine like terms: 0 + 8 = 8
x2 + y2 = 8

Add '-1y2' to each side of the equation.
x2 + y2 + -1y2 = 8 + -1y2

Combine like terms: y2 + -1y2 = 0
x2 + 0 = 8 + -1y2
x2 = 8 + -1y2

Simplifying
x2 = 8 + -1y2

Reorder the terms:
-8 + x2 + y2 = 8 + -1y2 + -8 + y2

Reorder the terms:
-8 + x2 + y2 = 8 + -8 + -1y2 + y2

Combine like terms: 8 + -8 = 0
-8 + x2 + y2 = 0 + -1y2 + y2
-8 + x2 + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
-8 + x2 + y2 = 0

The solution to this equation could not be determined.

See similar equations:

| 40(b-1)+10=5(8b-6) | | 3a=-3.6a+4.6 | | 11u=27 | | 4y-9+y+59=7y+50-4y | | 25x^3=4x | | -102=2-8(x+5) | | 13x+2y=-3 | | 2(-1)+(3)1=1 | | 96y-33=21y | | 2(-1)+3y=1 | | 6(2+2n)=96 | | (d+5)+(d-11)+d=45 | | -17=-6x+25 | | 3x+4y-8=0 | | 8x+4x+3+8=6x+3+5x | | -6x-23=-137 | | 11x+3(2-x)=8x+6 | | 20=8ln(1.6)(1.6x) | | 4y-6+y+23=8y+20-6y | | 2n+4=-18-9b | | 3x-42=0 | | 8(x-5)=5x+12 | | 8(x+3)=16x-12 | | -4(6+3x)=-84 | | -10x+5y=7 | | 3x+14=-16 | | 9n^2-1= | | 7-(2.5)b=22 | | A+13=90-10 | | 2(3g+2)=1/2(12g+8) | | (x-8)(2x+3)= | | 7-(2.5)=22 |

Equations solver categories