k^2-7=12

Simple and best practice solution for k^2-7=12 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 k^2-7=12 equation:


Simplifying
k2 + -7 = 12

Reorder the terms:
-7 + k2 = 12

Solving
-7 + k2 = 12

Solving for variable 'k'.

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

Add '7' to each side of the equation.
-7 + 7 + k2 = 12 + 7

Combine like terms: -7 + 7 = 0
0 + k2 = 12 + 7
k2 = 12 + 7

Combine like terms: 12 + 7 = 19
k2 = 19

Simplifying
k2 = 19

Take the square root of each side:
k = {-4.358898944, 4.358898944}

See similar equations:

| b^2-3b-28= | | 0.04(x)+0.10(18-x)=0.06(18) | | X+0.07= | | 12a+19b+6c+2c-2b-2a= | | 7(-4)=2x-3 | | x+0.07x= | | 0.04(x)+0.1(6)=0.06(x+6) | | b^2=-7 | | 2(8-X)=4(X-3) | | 14p+16q+p-6q-6p= | | 3Q^2-118.5Q+328.5=0 | | Y=49x^2+42x+9 | | 5X-3(X-3)=19 | | 8x^3+40x^2+8x+40= | | 15m+6n-5m+11n= | | 27=c(c-6) | | 3x^2+18x=2x^2-81 | | -3X^2+118.5q-328.5=0 | | 4x^2+6x=3x^2-9 | | 5(x-2)-3=5x-10x-17 | | 2(x-1)-7=15 | | 4c^2=25 | | 5m^2+47m=-18 | | z^2-9z=-14 | | 3x^2-41=-110 | | (5w+5)(5w-5)=0 | | z^4-289=0 | | 20p+17q+p-3q-5p= | | -9(t-7)-(t+8)=1 | | (5s-4)(6s-6)=0 | | X^2=5c | | 8x-1=32 |

Equations solver categories