4x(x+3)=16x

Simple and best practice solution for 4x(x+3)=16x 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 4x(x+3)=16x equation:



4x(x+3)=16x
We move all terms to the left:
4x(x+3)-(16x)=0
We add all the numbers together, and all the variables
-16x+4x(x+3)=0
We multiply parentheses
4x^2-16x+12x=0
We add all the numbers together, and all the variables
4x^2-4x=0
a = 4; b = -4; c = 0;
Δ = b2-4ac
Δ = -42-4·4·0
Δ = 16
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{16}=4$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-4)-4}{2*4}=\frac{0}{8} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-4)+4}{2*4}=\frac{8}{8} =1 $

See similar equations:

| 10x²=-12x-7 | | 4y+3y-9-11=4y-3-7 | | 0=x(8-2x)(12-2x) | | 4x-7x=-14 | | (x+8)(x)/2=209 | | 2x+20+5x-11-11x+117=180 | | 8n-n.n=9 | | 0.22x^2-1.132x-0.1802=0 | | 8n-nn=9 | | 2.2=2^x | | 4t-9t+8=5 | | 3000x+250x=2,500x+350 | | 2x+6+2x+6+5x+15=180 | | 3000+250x=2,500+350x | | 9j−6=5j+6 | | 7(2x-1)=5+4x-12 | | 4y+15+y+36=180 | | 15+8=2x+7,5 | | t÷5-1=14 | | 0.44+0.22x=0.09-0.6x+x^2 | | -n+0.4n=-0.6n | | (0.3-x)^2=0.22(0.2+x) | | 2v–20=7v | | 20n−15n=5 | | 4e–16=2e | | x+5)=(x-13) | | 3n-20+2n=180 | | 9v−2v=14 | | 0.25a-2.1=0.5a-4.1 | | 36=3a+9 | | 6x-1=7x+-2 | | 6x-1=7x+ |

Equations solver categories