7-2x^2=-145

Simple and best practice solution for 7-2x^2=-145 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 7-2x^2=-145 equation:


Simplifying
7 + -2x2 = -145

Solving
7 + -2x2 = -145

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -2x2 = -145 + -7

Combine like terms: 7 + -7 = 0
0 + -2x2 = -145 + -7
-2x2 = -145 + -7

Combine like terms: -145 + -7 = -152
-2x2 = -152

Divide each side by '-2'.
x2 = 76

Simplifying
x2 = 76

Take the square root of each side:
x = {-8.717797887, 8.717797887}

See similar equations:

| -5-1=7 | | -15+5q=15q-50-5q | | 2x-5x+3=-4x-7 | | 7x=16+6 | | 3x^2+7=92 | | (3x-1)=(x+15) | | 3x+6-x=-6 | | 5y+6=96 | | 8x-(4x-9)=37 | | 4n+1=-2n+7 | | -(20+1d)= | | (2x+7)x=45 | | 5x+6=7x-14 | | 6+91x=39x+53 | | 5-7(2x+4)=13-9x | | 5+7b=6b+3 | | 2x+8y=28 | | m+19=-9 | | 5a-2/3=11 | | 3Y+5=2X-4 | | 3x-2=9x-28 | | 3x+4/3=-3 | | 2p+4=p+10 | | 32-3x=12-8x | | (180-x)+(90-x)=148 | | 5*49=x*14 | | 3(x*2)=(3*x)*2 | | x+75=0 | | k-5-1=7 | | 24-12x-9=43-4(6x+1) | | 6z^2+12z=0 | | (3+x)-5=(x+3)-5 |

Equations solver categories