If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
3x2 + -100 = 21 + -6x2
Reorder the terms:
-100 + 3x2 = 21 + -6x2
Solving
-100 + 3x2 = 21 + -6x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '6x2' to each side of the equation.
-100 + 3x2 + 6x2 = 21 + -6x2 + 6x2
Combine like terms: 3x2 + 6x2 = 9x2
-100 + 9x2 = 21 + -6x2 + 6x2
Combine like terms: -6x2 + 6x2 = 0
-100 + 9x2 = 21 + 0
-100 + 9x2 = 21
Add '100' to each side of the equation.
-100 + 100 + 9x2 = 21 + 100
Combine like terms: -100 + 100 = 0
0 + 9x2 = 21 + 100
9x2 = 21 + 100
Combine like terms: 21 + 100 = 121
9x2 = 121
Divide each side by '9'.
x2 = 13.44444444
Simplifying
x2 = 13.44444444
Take the square root of each side:
x = {-3.666666666, 3.666666666}
| -1+3x=4+12x | | -3(x^2+6x-4)= | | 2d^3-d^2=10d | | hj=2x+7 | | 6*x=8*8 | | -3x-12+6x=18 | | hj=3x+7 | | 2x+2(8x+L)=423 | | 47-4x=12-9x | | -9x+7=3x+18 | | (x*x)=2(8+10) | | 2(x-3)+3(x-4)=0 | | 1+n+6n^2=0 | | -4.905t^2+10t+20=0 | | 47-4x=12-4x | | 3(4y-2)=16y | | x(2x^2+3x-4)= | | (2x)=6*3 | | 2x(3x-4y+1)= | | 2k^2-10k+8=0 | | 6x-3x-2x=3(x+1) | | 14+2x=7x-6 | | 9x-3y=16 | | x^4+0.25=0 | | (x^3)-bx-1=0 | | 6m^2-66m+168=0 | | (2n+1)(n+1)=28 | | 5x^2(1-2y+y^2)= | | x^2-6x-y^2-13=0 | | 0.58y=18.78-0.02y | | 3b+7=25 | | 28+2(3x+2)-4(x-3)=5(x-2)-3(3-2x) |