x^2+2y^2-4=0

Simple and best practice solution for x^2+2y^2-4=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+2y^2-4=0 equation:


Simplifying
x2 + 2y2 + -4 = 0

Reorder the terms:
-4 + x2 + 2y2 = 0

Solving
-4 + x2 + 2y2 = 0

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + x2 + 4 + 2y2 = 0 + 4

Reorder the terms:
-4 + 4 + x2 + 2y2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + x2 + 2y2 = 0 + 4
x2 + 2y2 = 0 + 4

Combine like terms: 0 + 4 = 4
x2 + 2y2 = 4

Add '-2y2' to each side of the equation.
x2 + 2y2 + -2y2 = 4 + -2y2

Combine like terms: 2y2 + -2y2 = 0
x2 + 0 = 4 + -2y2
x2 = 4 + -2y2

Simplifying
x2 = 4 + -2y2

Reorder the terms:
-4 + x2 + 2y2 = 4 + -2y2 + -4 + 2y2

Reorder the terms:
-4 + x2 + 2y2 = 4 + -4 + -2y2 + 2y2

Combine like terms: 4 + -4 = 0
-4 + x2 + 2y2 = 0 + -2y2 + 2y2
-4 + x2 + 2y2 = -2y2 + 2y2

Combine like terms: -2y2 + 2y2 = 0
-4 + x2 + 2y2 = 0

The solution to this equation could not be determined.

See similar equations:

| x^2+2y^2+-4=0 | | 26.2=0769231(x)+120 | | 2x=7y-35 | | 3(6a-2)-17a=7-4 | | -2=x+3/4 | | 12x+15=3(4x-5) | | 66-3x=3 | | x+6/2=13 | | 6.5+x=3.5 | | 102-4x=6 | | 11+7q=14+6q | | x^2+3x^2=24 | | x+6/2=15 | | 70-4x=10 | | 63=x-0.25x | | 5n-24=149 | | -9x-8y+6=66 | | x/8+7=6 | | sx(t-y)=5 | | -6(x-1)-7=-7x+5 | | 2x/4x | | 4x+5-3x=8+4 | | 2z=15 | | 10=x+1/2 | | n+(n+25)+3n=435 | | 8z+7z=z-1-4z | | 3(4x-1)=5(2x+3) | | 3x-11=x+4 | | z*-5/7=-1 | | 3x^(2/3)=6x | | 3=-3r+3 | | 4x^2+9y^2+24x+18y+9=0 |

Equations solver categories