(3/2)(2x+6)=3x+9

Simple and best practice solution for (3/2)(2x+6)=3x+9 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 (3/2)(2x+6)=3x+9 equation:



(3/2)(2x+6)=3x+9
We move all terms to the left:
(3/2)(2x+6)-(3x+9)=0
Domain of the equation: 2)(2x+6)!=0
x∈R
We add all the numbers together, and all the variables
(+3/2)(2x+6)-(3x+9)=0
We get rid of parentheses
(+3/2)(2x+6)-3x-9=0
We multiply parentheses ..
(+6x^2+3/2*6)-3x-9=0
We multiply all the terms by the denominator
(+6x^2+3-3x*2*6)-9*2*6)=0
We add all the numbers together, and all the variables
(+6x^2+3-3x*2*6)=0
We get rid of parentheses
6x^2-3x*2*6+3=0
Wy multiply elements
6x^2-36x*6+3=0
Wy multiply elements
6x^2-216x+3=0
a = 6; b = -216; c = +3;
Δ = b2-4ac
Δ = -2162-4·6·3
Δ = 46584
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{46584}=\sqrt{36*1294}=\sqrt{36}*\sqrt{1294}=6\sqrt{1294}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-216)-6\sqrt{1294}}{2*6}=\frac{216-6\sqrt{1294}}{12} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-216)+6\sqrt{1294}}{2*6}=\frac{216+6\sqrt{1294}}{12} $

See similar equations:

| 1/7x^2=3/4x | | 96-g*4=2345455 | | −6t−7=17−6t−7=17t=t=−13 | | 4(12)+6y=96 | | 11x-9=134 | | 5/10=4+g | | 90-x=((180-x)/5)-10 | | 8u=u+77 | | p−|5|×|−3|=−20p−|5|×|−3|=−20. | | -3x+5x-6x=0 | | 4k=3/4 | | 90-x=(180-x)/5-10 | | 3(6x)-7x=22 | | x^2+6x+0,33x+2=0 | | 7m-5=-47 | | 4x+6=x+8 | | 45h=(69)(64)+9 | | 4x-x+5-9=14 | | x^2+6x+(1/3)x+2=0 | | 14=6+z/6 | | -4K+5+7k=1+4k | | 30=k+11 | | x^2+6x+1/3x+2=0 | | (4v)/9=4/8 | | 2z-5=4z-3 | | 93-r+2=89 | | 3/5x-8/15=3 | | x=1,2,3 | | 0.75(x+25)=4+0.25(x-4) | | 4(x+1)=4(2x-x) | | 23=5g | | M-1-4=-13+2m |

Equations solver categories