If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
4x2 + -1(3x2 + -5) = 20
Reorder the terms:
4x2 + -1(-5 + 3x2) = 20
4x2 + (-5 * -1 + 3x2 * -1) = 20
4x2 + (5 + -3x2) = 20
Reorder the terms:
5 + 4x2 + -3x2 = 20
Combine like terms: 4x2 + -3x2 = 1x2
5 + 1x2 = 20
Solving
5 + 1x2 = 20
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + 1x2 = 20 + -5
Combine like terms: 5 + -5 = 0
0 + 1x2 = 20 + -5
1x2 = 20 + -5
Combine like terms: 20 + -5 = 15
1x2 = 15
Divide each side by '1'.
x2 = 15
Simplifying
x2 = 15
Take the square root of each side:
x = {-3.872983346, 3.872983346}
| 7/6×42 | | 5x+8-3x-6=2 | | -6-a=15 | | 4y-30=70 | | 6m+5+3=32 | | 4960/1400 | | 3r-7+6r=-28 | | 14.16-12z=-12.8z | | 5x+31x-6=9(4x+8) | | v^2+24v+n= | | a+2=21 | | 30/64 | | 5000=1400+40a | | 8m-9=-41 | | 4x+24x-4=7(4x+4) | | 20/64 | | w+10=-3w-10 | | (4x-2)*3=0 | | 8h+9+6h-7= | | .04+g=1.9 | | 61-x=74-2x | | 5Y+20x=-2 | | 9c+12d+2c+18+4= | | x+z=z | | 22/54 | | 48-29= | | 2j=6+j | | -3(x-15)=45 | | -550=-16t^2 | | 6z-3=5z | | 95=2x | | 2y+10=6(y-1) |