(x-2)(9+x)=0

Simple and best practice solution for (x-2)(9+x)=0 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 (x-2)(9+x)=0 equation:


Simplifying
(x + -2)(9 + x) = 0

Reorder the terms:
(-2 + x)(9 + x) = 0

Multiply (-2 + x) * (9 + x)
(-2(9 + x) + x(9 + x)) = 0
((9 * -2 + x * -2) + x(9 + x)) = 0
((-18 + -2x) + x(9 + x)) = 0
(-18 + -2x + (9 * x + x * x)) = 0
(-18 + -2x + (9x + x2)) = 0

Combine like terms: -2x + 9x = 7x
(-18 + 7x + x2) = 0

Solving
-18 + 7x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -1x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-9, 2}

See similar equations:

| F-14=-14 | | n^2=8n-15 | | 7m^2-15m+8=0 | | -3(1-9r)=-4.2+27.2r | | -2k+7k-13+5k= | | -6w+14=4(w-9) | | 14x-(3-6x)=5 | | x+8/7=-3/7 | | 7z-y=4z-3 | | 12x-7(x-8)+59=0 | | x*4x=5*75 | | -3(3.9+2.5p)=-15.7-9.5p | | 4*4x=5*35 | | Y=X^2+20x+38 | | 9(3x+4)=27 | | 4*4x=5*75 | | -5(8a-8)+6(-1-2a)= | | 16y-15+8+3y= | | 6r+5=(r+2)8-2r | | x+62+3x+4=180 | | 18x^2+61x+7=0 | | 2x+5x+12-10x= | | 4(2y-4)=57+2 | | 5x+23x-8=7(4x+7) | | 3x-9+14(1-x)=-8 | | .75y-1=6 | | X^2+y^2-10x-2y-10=0 | | e^6x+2=0.62 | | T^2+T=36 | | 9(-2a+10)-5(8-3a)= | | 2/5=x+5/10 | | 0=-16x^2+18x+5 |

Equations solver categories