331-x^2=7

Simple and best practice solution for 331-x^2=7 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 331-x^2=7 equation: 


Simplifying
331 + -1x2 = 7

Solving
331 + -1x2 = 7

Solving for variable 'x'.

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

Add '-331' to each side of the equation.
331 + -331 + -1x2 = 7 + -331

Combine like terms: 331 + -331 = 0
0 + -1x2 = 7 + -331
-1x2 = 7 + -331

Combine like terms: 7 + -331 = -324
-1x2 = -324

Divide each side by '-1'.
x2 = 324

Simplifying
x2 = 324

Take the square root of each side:
x = {-18, 18}

See similar equations:

| 3n=-12n-5 | | 9x(-x+1)= | | 1/3-5=9 | | 0=8x^2-800 | | 7x-10=26 | | 7x+10=26 | | 3/r-5=22 | | 17x=459 | | h+48=15h-92 | | 4+4x^2=43 | | 2y-9=6y+15 | | 10x+8=28x-6 | | -1350=-9x^2 | | 34+2c=16 | | 5/6x-15=-10 | | 4x-7x=2+7 | | 1x+18=21x | | 10+3w=25 | | 10x+8=28-6 | | 3a-32=-7a+28 | | 5x^2-6=54 | | n/20=26 | | 14x-8=6x-1 | | X^4+4x^3+4x^6=-16x | | 5(y+7)=75 | | 2(3a+2b)=3(3a+4b) | | 24x^2+780x+1300=0 | | 37=-x-3 | | 6x^2+34x-1=4x-1 | | (g+4)+(2g+7)= | | y=2x-14/7 | | -6(9x+5)-3x+4=-408+x |

Equations solver categories