If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 + -8 = 0
Reorder the terms:
-8 + 4x2 = 0
Solving
-8 + 4x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 4x2 = 0 + 8
Combine like terms: -8 + 8 = 0
0 + 4x2 = 0 + 8
4x2 = 0 + 8
Combine like terms: 0 + 8 = 8
4x2 = 8
Divide each side by '4'.
x2 = 2
Simplifying
x2 = 2
Take the square root of each side:
x = {-1.414213562, 1.414213562}
| 2x=4x+30 | | D^2+18d+56=0 | | x-7=x+2 | | 2x^2+12z+26= | | 2(x+9)-5x+1=6(x-3) | | x+4/2=5-x+3/5 | | 9t^2-12t+4= | | 18ab+24ac+30ad= | | s=9g-3 | | (x^5-15x^4+90x^3-270x^2+405x-243)/(x-3) | | x+2x+(5x+2)= | | r-34=65 | | 1/2(10x-14)=3x+9 | | x^3+3x^2+3x+2=0 | | 169-3x=42x+19 | | -24+11x-x^2=0 | | -3/5=-3/20+u | | 9m(m+8)=0 | | 6-7x=96-42x | | 7x-9=6x+11 | | 2w-16=(2w-16)+10 | | 9m(m-8)=0 | | 12x^3+56x^2+60x=0 | | 2=5s | | 9/5k-459.67=90 | | -6a+36=3a-45 | | (3x-7)(3x+8)=0 | | 5n(6n-7)=0 | | 52-d=33 | | 8(1-5x)+5=13+5x | | 7t=56 | | 1=8d |