(5x-1)(-20x+4)=0

Simple and best practice solution for (5x-1)(-20x+4)=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 (5x-1)(-20x+4)=0 equation: 



(5x-1)(-20x+4)=0

We multiply parentheses ..

(-100x^2+20x+20x-4)=0

We get rid of parentheses

-100x^2+20x+20x-4=0

We add all the numbers together, and all the variables

-100x^2+40x-4=0

a = -100; b = 40; c = -4;
Δ = b2-4ac
Δ = 402-4·(-100)·(-4)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-40}{-200}=1/5$

See similar equations:

| 3r−-6=12 | | 6z÷13=5z÷13 | | 6z÷13=2z÷13 | | 6x÷13=2x÷13 | | 4t+6=90 | | 4t+6=88 | | C=4x+2 | | .67x=350 | | 2/3x=350 | | X/4-5x+8/6=2x-9 | | 4/3-4b+2b=1 | | 3/6(x-2)=11 | | 0.3(0.4x+3)=0.25(0.2x-4) | | 2x60=50 | | 3x+17=2x−4=5x+17 | | (2a+5)=(4a+11) | | 32^n=2 | | 3(7x+2/3)=8(6+x) | | 3×3^5x/9^2x=1/27 | | 4x-20=28-4x | | 3a2-4a+1=0 | | 4x+5x+18+6x+10+7x-20=180 | | 10x+22=26 | | 4/3x+2/3=10/3 | | 0.75x+8225=89 | | x(30/84/x)=70 | | 84x/2x=70 | | 84x/2x=0 | | 30x/84x/2x=70 | | 9x-5/5x=3 | | -9b+4b=-15 | | 7b-3b=-32 |

Equations solver categories