3(27+-12x+x2)=0

Simple and best practice solution for 3(27+-12x+x2)=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 3(27+-12x+x2)=0 equation:



3(27+-12x+x2)=0
We add all the numbers together, and all the variables
3(-12x+x^2+27+)=0
We multiply parentheses
3x^2-36x+81+=0
We add all the numbers together, and all the variables
3x^2-36x=0
a = 3; b = -36; c = 0;
Δ = b2-4ac
Δ = -362-4·3·0
Δ = 1296
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1296}=36$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-36)-36}{2*3}=\frac{0}{6} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-36)+36}{2*3}=\frac{72}{6} =12 $

See similar equations:

| (x-59)+(x-19)+x+x+90=540 | | -4+3w=-19 | | 3x+46=12 | | 3(x-2)=2(x-6)-8 | | 4(x−3)=(x−3)−3(x−5) | | 9m+13=4m+33 | | 3n-2(n+3)=14-5n | | 4(x−3)=2(x−1)+2(x−5) | | 5s-4+2s=-3 | | 3(x+2)+4=5(x-1)+4 | | -4y+17=-5y+14 | | 1/3x+1/2=1/7 | | 3(5y+6-4=0 | | -20=2(w-4)-6w | | 13.3(16+y)=-16 | | -1.4p=-75 | | 8−(3+b)=b+9 | | 3/x=11/13 | | 4(x−3)=x+3(x+4) | | 42x-8x=136 | | k-12=-6 | | 5(x-2)=13x+2 | | 7z+8=4 | | (6x+10)+(8x-10)=180 | | 2-7x-4=-12-5 | | 5(y+8)=50 | | 3=21y | | 40(0.2)t=1.6 | | 2a-(a+5)=14 | | 2x+3x-6=-36 | | 2+3(4x-5)=11 | | 46=8-3x |

Equations solver categories