4=y*y

Simple and best practice solution for 4=y*y 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 4=y*y equation:


Simplifying
4 = y * y

Multiply y * y
4 = y2

Solving
4 = y2

Solving for variable 'y'.

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

Add '-1y2' to each side of the equation.
4 + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
4 + -1y2 = 0

Add '-4' to each side of the equation.
4 + -4 + -1y2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1y2 = 0 + -4
-1y2 = 0 + -4

Combine like terms: 0 + -4 = -4
-1y2 = -4

Divide each side by '-1'.
y2 = 4

Simplifying
y2 = 4

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

See similar equations:

| 1.74t-4.5=20.75 | | -5(n+8)=3(8+n) | | X^2-4x=1+4+2 | | 2()= | | 5(2x-1)-(4x+1)=3(x+5)-30 | | -5(n+8)=(8+n) | | 5x-y=40 | | (x)=15x-10 | | 1.4+6=15 | | 25x^2-20=0 | | (3)(3x)+(3)(-4)=4 | | 1.6=1n | | .20x+8=180 | | 3(x+1)+5(6x-4)=2(2x+6) | | 5x+15=-65 | | y=0.26+0.5(x+4) | | (x)=3-12 | | 2x+2/3=4/3 | | 15+(5-x)=30x | | [1-3z]=[z+2] | | -9-3x+4=10x-5 | | 3x+5=-8+5x | | 1-ix+y^2=5-3i | | 4x(-4+5)= | | 9(t-8)-4(t-2)=11 | | S=(2)(3.14)(6)(10)+(2)(3.14)(36) | | -8x^2-11x+110=0 | | 4.1+10m=7.67 | | 23x-12=5 | | [3y-2]=[4y+5] | | (2x-1)(3x+2)=3x-2+x(x-2) | | 7+5f=4+6f |

Equations solver categories