If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 + -18 = 0
Reorder the terms:
-18 + 4x2 = 0
Solving
-18 + 4x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '18' to each side of the equation.
-18 + 18 + 4x2 = 0 + 18
Combine like terms: -18 + 18 = 0
0 + 4x2 = 0 + 18
4x2 = 0 + 18
Combine like terms: 0 + 18 = 18
4x2 = 18
Divide each side by '4'.
x2 = 4.5
Simplifying
x2 = 4.5
Take the square root of each side:
x = {-2.121320344, 2.121320344}
| 20X^3-6X= | | 4z=6z+40 | | 3x+14=26-7x | | 6x=14+5x | | 11=y-16 | | -23=14+x | | 5.2-7.1= | | 3x+14=68-3x | | 3x^2-6x=72 | | x^2-7x=12.75 | | 3x-3=13x-113 | | 12x+13x-35x^2=0 | | x^2+10x=16x+72 | | =#^3+4(-3)^2-9(-3X)-36=0 | | 49=x-8 | | x^2-118.75=-3x | | 15t=6(4+2t) | | -3.2x=1.44-x^2 | | 7x^2-68x+45=0 | | -2.1x^2+12.6x+56.7=0 | | 2x*x-7x-4=0 | | x^2+12.6x-216.31=0 | | x^2+6.6x-89.11=0 | | x^2-30x+8.2=0 | | x^2-26x+10.2=0 | | 48u^4-3u^4y^4=0 | | x^2-24x+129=0 | | q^2+1=0 | | (t^6+1)=0 | | 7p-27=-9+p | | 9x^3+9x^2-3x+8= | | -3x-12x=-75 |