-x^2+12=15

Simple and best practice solution for -x^2+12=15 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+12=15 equation:


Simplifying
-1x2 + 12 = 15

Reorder the terms:
12 + -1x2 = 15

Solving
12 + -1x2 = 15

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -1x2 = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -1x2 = 15 + -12
-1x2 = 15 + -12

Combine like terms: 15 + -12 = 3
-1x2 = 3

Divide each side by '-1'.
x2 = -3

Simplifying
x2 = -3

Reorder the terms:
3 + x2 = -3 + 3

Combine like terms: -3 + 3 = 0
3 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| -4+-2x=-6x+5x | | 28+26-29=791 | | 4x+12=x+24 | | 2y+9y=66 | | z/15=-6 | | X^3-x^2+49x-49=f(x) | | 30x-(-x+6)+(-5x+4)=-(5+6) | | 11(2x-6)=8x-38 | | 4x^2-9x+9=21x | | 18r^2-8=0 | | 12+5=5+p | | -2(2b+4)+(5b-4)=0 | | 6n^2-114n+14=0 | | -12(x+6)=3x-49 | | 1.6q-1.8-3.5q=-2.9q-5.9 | | 7/9+2/3(w-12)+5/9w=(5w+10) | | 70+(0.5x)=20+x | | 4m-16= | | 6x^2=38x-40 | | 19x+5=12x+47 | | v+7+3=13-5v-6+3v | | 5(x-8)+26=-29 | | 9+x=23 | | (3x-4)-1(5x-8)=-1(x+12)-6x+1 | | 325=5x^3 | | 10-(17u-9)+10u=14(u+2)+9 | | 7y^2-2y-9=0 | | 4y^2+25=0 | | 65=x^3 | | 3(2x-5)+31=70 | | 25x^2-4x+9=-34x | | n-31=-34 |

Equations solver categories