-2x(5-x)=0

Simple and best practice solution for -2x(5-x)=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 -2x(5-x)=0 equation:



-2x(5-x)=0
We add all the numbers together, and all the variables
-2x(-1x+5)=0
We multiply parentheses
2x^2-10x=0
a = 2; b = -10; c = 0;
Δ = b2-4ac
Δ = -102-4·2·0
Δ = 100
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{100}=10$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-10)-10}{2*2}=\frac{0}{4} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-10)+10}{2*2}=\frac{20}{4} =5 $

See similar equations:

| x^2-11x-330=0 | | 73-(6x)=30 | | 75-(6x)=30 | | -30a-120=32 | | 9v+12=3v-4 | | -8f=54-f | | u/2=-52 | | 57=-u/2 | | -5x(1-4x)=00 | | 360-1.7f=334.5 | | 6-6f=-378 | | 16x+1=0.50 | | 3x-(50-x)=110 | | 5^2x-1+2x-5^2x+22x+2=0 | | 5^2x-1+2^x-5^2x+2^2x+2=0 | | (5x+19)(5x+1)+90=180 | | 3(5-2e)+9=(-30) | | 9t2+17t-2=0 | | 3/4u-1/4u+14=4 | | 40+16(2y-22)=-24 | | e+(e-6)-2=(-10) | | 3/2y-y-8=24 | | 48-20x=18 | | 2-1(3+4x)=11 | | 3u-7/5=-4/5u-1/2 | | 4x+23=6x-15 | | d/6+840+d/4=1.140 | | 8y=90-20 | | x64+x27+97=x | | 52-(3c+4)=2(c+6)+c | | 12x-2=38 | | 2-x=47 |

Equations solver categories