If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 = 30 + -9x2
Solving
4x2 = 30 + -9x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9x2' to each side of the equation.
4x2 + 9x2 = 30 + -9x2 + 9x2
Combine like terms: 4x2 + 9x2 = 13x2
13x2 = 30 + -9x2 + 9x2
Combine like terms: -9x2 + 9x2 = 0
13x2 = 30 + 0
13x2 = 30
Divide each side by '13'.
x2 = 2.307692308
Simplifying
x2 = 2.307692308
Take the square root of each side:
x = {-1.519109051, 1.519109051}
| 2x+7y+3z=0 | | x+7x+12x=140 | | 0=0.01x+0.51 | | f(x)=0.01x+0.51 | | 7x-121=3x-13 | | -(4x+3y-4)+(3x-y)-(5x-2y+3)= | | X^3-4x^2-35x-78=0 | | 2x^2-7x+13=8 | | 3.5+.10m=25+.15m | | -4a-(-2a+3b)-(a-3b)+3a= | | 13x+52=7x+34 | | 6x+51=4x+33 | | 9x+24=5x+12 | | 3x+2y=272 | | 3x-(4x-2y+3)+(2x-4y+5)= | | y^2+4y-8x-4x^2=0 | | 5x+(3x-3y)-(5x-4y)= | | (x+10)+x=150 | | 2x-6-4x-3=0 | | 12x^2+12x-24= | | 6.5*2.4=15.6 | | x+x=81 | | 80-2x=10-9x | | a+3=5.2 | | y=-55*.0025*.0025 | | c-13=35 | | k-8=22 | | l+9=32 | | f+5=12 | | 4x-50=120 | | y-7=-0.0175*-400 | | 2x^3-3x^2-5x+4=y |