If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
3x * 3x + -9 = 0
Reorder the terms for easier multiplication:
3 * 3x * x + -9 = 0
Multiply 3 * 3
9x * x + -9 = 0
Multiply x * x
9x2 + -9 = 0
Reorder the terms:
-9 + 9x2 = 0
Solving
-9 + 9x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 9x2 = 0 + 9
Combine like terms: -9 + 9 = 0
0 + 9x2 = 0 + 9
9x2 = 0 + 9
Combine like terms: 0 + 9 = 9
9x2 = 9
Divide each side by '9'.
x2 = 1
Simplifying
x2 = 1
Take the square root of each side:
x = {-1, 1}
| 20x-20x^2=3.4 | | -[9z-(19z+10)]=10+(9z+4) | | v^2=-9v-14 | | 2/x-7=1/x | | 27-36y-54= | | 15v^5/5v^5w^6-15v^5y^2 | | 0=d+27.98 | | 7z-5z^3-4z^3-z^2= | | 3(n+3)=9 | | -4(2y-9)-y=-3(y-3) | | -5(2y-6)-y=-4(y-4) | | 2[k-(4k+11)+3]=2(k+8) | | 4(8x-9)=18 | | 2^(12/5) | | 20*log(x)=7 | | -9(-3x-4+6)= | | D=1.2(m-73) | | X+(-10)=24 | | D=6/5(m-73) | | -5w-25= | | 3/30=2.8/2=t | | -9d+8d=22 | | 9x-2=2x-2 | | (X+0.1)(x)=(0.00000002) | | -5(2y-5)-y=-4(y-5) | | 2/30=5/x | | 6x-6y=36 | | 2+-1.333333333y= | | (X^2)+(0.1x)-(0.00000002)=0 | | -11=-7+n | | -9(-3x-4y+6)= | | 37x+19=6(6x+6) |