X^2+y^2-8x+4y=-4

Simple and best practice solution for X^2+y^2-8x+4y=-4 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^2-8x+4y=-4 equation: 


Simplifying
X2 + y2 + -8x + 4y = -4

Reorder the terms:
X2 + -8x + 4y + y2 = -4

Solving
X2 + -8x + 4y + y2 = -4

Solving for variable 'X'.

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

Add '8x' to each side of the equation.
X2 + -8x + 4y + 8x + y2 = -4 + 8x

Reorder the terms:
X2 + -8x + 8x + 4y + y2 = -4 + 8x

Combine like terms: -8x + 8x = 0
X2 + 0 + 4y + y2 = -4 + 8x
X2 + 4y + y2 = -4 + 8x

Add '-4y' to each side of the equation.
X2 + 4y + -4y + y2 = -4 + 8x + -4y

Combine like terms: 4y + -4y = 0
X2 + 0 + y2 = -4 + 8x + -4y
X2 + y2 = -4 + 8x + -4y

Add '-1y2' to each side of the equation.
X2 + y2 + -1y2 = -4 + 8x + -4y + -1y2

Combine like terms: y2 + -1y2 = 0
X2 + 0 = -4 + 8x + -4y + -1y2
X2 = -4 + 8x + -4y + -1y2

Simplifying
X2 = -4 + 8x + -4y + -1y2

Reorder the terms:
4 + X2 + -8x + 4y + y2 = -4 + 8x + -4y + -1y2 + 4 + -8x + 4y + y2

Reorder the terms:
4 + X2 + -8x + 4y + y2 = -4 + 4 + 8x + -8x + -4y + 4y + -1y2 + y2

Combine like terms: -4 + 4 = 0
4 + X2 + -8x + 4y + y2 = 0 + 8x + -8x + -4y + 4y + -1y2 + y2
4 + X2 + -8x + 4y + y2 = 8x + -8x + -4y + 4y + -1y2 + y2

Combine like terms: 8x + -8x = 0
4 + X2 + -8x + 4y + y2 = 0 + -4y + 4y + -1y2 + y2
4 + X2 + -8x + 4y + y2 = -4y + 4y + -1y2 + y2

Combine like terms: -4y + 4y = 0
4 + X2 + -8x + 4y + y2 = 0 + -1y2 + y2
4 + X2 + -8x + 4y + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
4 + X2 + -8x + 4y + y2 = 0

The solution to this equation could not be determined.

See similar equations:

| 10=6[a-7]-14 | | (x+1)*(x-6)=0 | | 7.70m=5.5 | | 81=7x+6(-x+12) | | 9X^4-243x=0 | | 7.70=5.5 | | 0.95y=0.55y+45 | | 8-8=17x+8x | | 2-7x+100-10x=90-20x | | 8x^2+72x+8y^2+64y-222=0 | | f(x)=3x^6-4x^4-x^2-35 | | -6(-0)+7= | | 3x-13=35 | | 8+2v=14 | | 3[z+5]+5=8 | | 0.50x+0.25(50)=32.5 | | (y^-3/4y^-7)^-2 | | -30=-5+5w | | 4X=13-(-19) | | (-6-sqrt-4)/4 | | 9x+8y=173 | | 0.50+0.25(50)=32.5 | | -12x-35=73 | | 9x+8x^2=22 | | -2y+17=5x | | 6+2y-5=9y+7-6y | | 2x-x=166 | | 5(-1)-4= | | 15-43-6(x-1)-4= | | 7/8m=-1/2 | | -6(x+5)-11=10+3 | | x-y(-1)=11 |

Equations solver categories