If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
x2 + 3x + -9 = 3x
Reorder the terms:
-9 + 3x + x2 = 3x
Add '-3x' to each side of the equation.
-9 + 3x + -3x + x2 = 3x + -3x
Combine like terms: 3x + -3x = 0
-9 + 0 + x2 = 3x + -3x
-9 + x2 = 3x + -3x
Combine like terms: 3x + -3x = 0
-9 + x2 = 0
Solving
-9 + x2 = 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 + x2 = 0 + 9
Combine like terms: -9 + 9 = 0
0 + x2 = 0 + 9
x2 = 0 + 9
Combine like terms: 0 + 9 = 9
x2 = 9
Simplifying
x2 = 9
Take the square root of each side:
x = {-3, 3}
| 6x-4(x+7)=5+2(x+6) | | 2x-5=9+8x | | 1.6x-4(x+7)=5+2(x+6) | | 12g^2-5g-3=0 | | 22x-9=57 | | h/8+5=9 | | 8-x=3x-16 | | 3x^2-1=2x | | b/3=24 | | -0.04y+0.12(200-y)=0.34y | | x-4=-2x-34 | | -5X-7X=7X+23 | | 2x^3-x^2-6x+3=0 | | 5x+9=6-2x | | (-5xy)+(-2x)= | | 0.3(x+9)=15 | | x^3+3x^2-10x-24=0 | | y^3-14y^2=y-14 | | 12x*5-7/2=18x+5 | | 4x^2+1=2 | | 4p+6=-30 | | 83-2x=8+23 | | 7x-1=6x-4 | | 2-5x=7x+110 | | P-13=13 | | 4x+14=9-5x | | 2.2a=55 | | 82-4x=32x+18 | | 168=6y | | 7x+5-4=9+6x | | 9-7x=164-42x | | 7z-13=15 |