If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
40 + -80x2 = 0
Solving
40 + -80x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-40' to each side of the equation.
40 + -40 + -80x2 = 0 + -40
Combine like terms: 40 + -40 = 0
0 + -80x2 = 0 + -40
-80x2 = 0 + -40
Combine like terms: 0 + -40 = -40
-80x2 = -40
Divide each side by '-80'.
x2 = 0.5
Simplifying
x2 = 0.5
Take the square root of each side:
x = {-0.707106781, 0.707106781}
| sin(x/2)*sin(3x/2*pi/4) | | squrt(x)=4 | | 196-p^2=0 | | 169-a^2=0 | | 169-a^2= | | Y+8=13(X+3) | | Y-8=13(X+3) | | f(-x)=x^2+7x-6 | | 16x(9+y)-4(9+y)= | | 3y-21=4+8y | | 3s-3=13+7s | | 3x-3xy= | | 4(w-2)-4=-6(-3w+4)-6w | | 4(x+2)=9x-37 | | 4(t-2)+4=4(2t-6) | | N=.733(18)+8.398 | | 2(x+1)-1=2(x-1) | | N=.733(6)+8.398 | | N=.733(1977)+8.398 | | 6y-3=15y+24 | | 2(3x+2)=5x+2 | | 2x-1+6=14 | | 9x^2+4x-2x+6x^2= | | (24-2x)*x=0 | | 6y-26-8y+32= | | x^2+4x-6=x^2-x+3 | | 6/2(2-2) | | x^2+y^2-12x-10y=-12 | | (c-6)(c+6)= | | 10x+30=56.5 | | (10x+9)(2x-6)-(5x-7)(2x-7)=8 | | (.20)x=2700 |