0=(x-3)(x+3)

Simple and best practice solution for 0=(x-3)(x+3) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 0=(x-3)(x+3) equation:


Simplifying
0 = (x + -3)(x + 3)

Reorder the terms:
0 = (-3 + x)(x + 3)

Reorder the terms:
0 = (-3 + x)(3 + x)

Multiply (-3 + x) * (3 + x)
0 = (-3(3 + x) + x(3 + x))
0 = ((3 * -3 + x * -3) + x(3 + x))
0 = ((-9 + -3x) + x(3 + x))
0 = (-9 + -3x + (3 * x + x * x))
0 = (-9 + -3x + (3x + x2))

Combine like terms: -3x + 3x = 0
0 = (-9 + 0 + x2)
0 = (-9 + x2)

Solving
0 = -9 + x2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x2' to each side of the equation.
0 + -1x2 = -9 + x2 + -1x2
Remove the zero:
-1x2 = -9 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-1x2 = -9 + 0
-1x2 = -9

Divide each side by '-1'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

See similar equations:

| 6x-.4=20 | | 17+3y=44 | | 7x+2=6x+7 | | (x+y+3z)-(2x-5y+z)= | | y-49=94 | | 5x+4=-3+6x | | -3(15)-y=-51 | | 2x^2+10x+15=3 | | 9x-6(12-3x)=171 | | 0=(x+8)(x+8) | | 0.494X^2-0.0002X^3=0 | | (2x+6)+12=90 | | ((81-9*x)^0.5)*(x/2) | | y-37=94 | | 2*y=20 | | 4x+.1=7.3 | | =x^2-15x+72 | | 6(3-x)=-3(x-8) | | x+x+4x+4x= | | -0.104=0.312x+0.312 | | 3(4y-1)=116y | | -5w=20 | | 6-17=z/-6 | | 6x-8y=29 | | (2x+6)+12=20 | | -4x-4=7x-136 | | (2x+6)+20=20 | | -.8k-3.1=8.3 | | 18-15=x/-7 | | 94+(x+49)=180 | | 4(x+2)+3x+2(x-y)= | | x^2+26x-23=0 |

Equations solver categories