-3+9=-2x^2

Simple and best practice solution for -3+9=-2x^2 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 -3+9=-2x^2 equation:


Simplifying
-3 + 9 = -2x2

Combine like terms: -3 + 9 = 6
6 = -2x2

Solving
6 = -2x2

Solving for variable 'x'.

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

Add '2x2' to each side of the equation.
6 + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
6 + 2x2 = 0

Add '-6' to each side of the equation.
6 + -6 + 2x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2x2 = 0 + -6
2x2 = 0 + -6

Combine like terms: 0 + -6 = -6
2x2 = -6

Divide each side by '2'.
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:

| 4x-7-(-9x+2)= | | 5x-6=(x+6)+(x+6) | | y^2=15-x | | 4(w+2)-5(w+1)=w+1 | | 2x-3(2-3)=20 | | -21+25+(-14)=-10 | | -7x-4=1-8x | | 4-x=2x+25 | | X+(2x+0.15)+(x+.05)=1.8 | | 7(2n-5)-2=-(3n+3) | | 7a+8ab+6b= | | 59+13=91-X | | 2y+7=-3y^2 | | 7n=60+5n | | 9(x+1)-(4x-7)=3 | | -5(4r-5)=25-3r | | 18+8d+d+3d= | | 9-3x+18=54 | | 2t-2=4-t | | -6*8=n+4*2 | | 10p-2(x+50)-6=0.4(3x+20) | | 3x^2=x+10 | | -12n+18=-11n-18 | | 6x^2-7x-3=-8x-1 | | 28z=-5 | | 2y=-4x-10 | | 3e^4t=7e^3t | | -26-10.2x=-21(-0.9x+4) | | 9p-6q=33 | | f(-3)=e^9x | | x-3=13+1-2x-8 | | x-0.17x=539.09 |

Equations solver categories