(x+9)(3x-3)=(2x)(3x+3)

Simple and best practice solution for (x+9)(3x-3)=(2x)(3x+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 (x+9)(3x-3)=(2x)(3x+3) equation: 



(x+9)(3x-3)=(2x)(3x+3)

We move all terms to the left:

(x+9)(3x-3)-((2x)(3x+3))=0

We multiply parentheses ..

(+3x^2-3x+27x-27)-(2x(3x+3))=0



We calculate terms in parentheses: -(2x(3x+3)), so:

2x(3x+3)

We multiply parentheses

6x^2+6x

Back to the equation:

-(6x^2+6x)



We get rid of parentheses

3x^2-6x^2-3x+27x-6x-27=0

We add all the numbers together, and all the variables

-3x^2+18x-27=0

a = -3; b = 18; c = -27;
Δ = b2-4ac
Δ = 182-4·(-3)·(-27)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-18}{-6}=+3$

See similar equations:

| 6x^2-11x+6=-4x+4 | | 3x+11=80 | | 0.4x+1=6.6 | | q+7/2=10 | | 19x+5=9x+15 | | 3(4+4a)=108 | | X+16x=42 | | 99=3(w+9) | | (2x+9)(x)=320 | | p/3−2=2 | | X-0.40x=102 | | 3(-3x-6)=-90 | | p3− 2=2 | | 3=-2p+13 | | 2x^2+15x=8x-5 | | 8x-11=87 | | 11=(x−19) | | 33x=5865 | | 13=2q+3 | | 5=8/d | | 3f+4.3=-29 | | 7(a+5)=56 | | -231=-3-4(1+7n) | | 8z2–35z=0 | | -8=8-4c | | 6a+14=16 | | b/3+8=9 | | 2x-0.3x=30.60 | | .5r-3=3*(4-1.5r) | | 0.86x=5.16 | | 5x+17=x+53 | | 1.5p+5=14 |

Equations solver categories