If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 + -4 = 20
Reorder the terms:
-4 + 4x2 = 20
Solving
-4 + 4x2 = 20
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 4x2 = 20 + 4
Combine like terms: -4 + 4 = 0
0 + 4x2 = 20 + 4
4x2 = 20 + 4
Combine like terms: 20 + 4 = 24
4x2 = 24
Divide each side by '4'.
x2 = 6
Simplifying
x2 = 6
Take the square root of each side:
x = {-2.449489743, 2.449489743}
| 64v^2-25=0 | | Y-20=-10 | | 8/13+1/26 | | (x-2)(x-6)=5 | | 12x-3forx=7 | | X^2-25/64=0 | | X-8+12=27 | | 3c+2p=250 | | x^2+2x+10=11 | | -5x-3y=-12 | | 7y-18=24 | | 7y-18=24 | | 2a^2+28a+98=0 | | 5(3+4x)-5=110 | | 2u-3=11 | | (3/8)^-2 | | 4m+7=43.8 | | (3/8)-2 | | Y-20=-12 | | 8x^3+6x^2-12x-9=0 | | -6c-4-2x=12 | | (2y+5)(3y+7)=0 | | 5x^2+2x-11=31-27x | | 5/6-1/8 | | 10y=-6x+0 | | 3x-7=-x+1 | | -3(2-5p)=-p-22 | | 4b-8=10-12 | | -3(3x+15)-(10+x)=5 | | 4(x+0)=2x+3 | | (r+3)=11 | | 6x-11=y |