-2+y*y=2

Simple and best practice solution for -2+y*y=2 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 -2+y*y=2 equation: 


Simplifying
-2 + y * y = 2

Multiply y * y
-2 + y2 = 2

Solving
-2 + y2 = 2

Solving for variable 'y'.

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

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

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

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

Simplifying
y2 = 4

Take the square root of each side:
y = {-2, 2}

See similar equations:

| x+-3*-3=2 | | 20=4(n/4-2) | | x+-2*-2=2 | | 4(2x+2y)-2[3xy-(-5x)]= | | 70+20m=350 | | x+1*1=2 | | 2x+1=-1x-1 | | 2x^2+70=24x | | 4c+12=7c+11.97 | | 3.75=0.5k | | 21x+7=18x-8 | | 12x=11x+10 | | 9x+9=10x+3 | | -x=-2x+6 | | 0.25x+4.75=5.25 | | -19-s=-22 | | -7+y*y=2 | | 2x=-5x-28 | | 36+7x=99 | | 3x+6=4+2x | | 6x=31 | | log(8x)+log(2x)=3 | | y^2-12x-2y=23 | | y=2*-1*-1+1 | | 2(9w+4)= | | -24p+5p+4p= | | 6a-3=2a+17 | | 2x-5+11+4x=180 | | 25=4xy | | 9y=6-4x | | y=2*-3*-3+1 | | y=2*0*0+1 |

Equations solver categories