15=-2x(x-1)

Simple and best practice solution for 15=-2x(x-1) 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 15=-2x(x-1) equation: 



15=-2x(x-1)

We move all terms to the left:

15-(-2x(x-1))=0



We calculate terms in parentheses: -(-2x(x-1)), so:

-2x(x-1)

We multiply parentheses

-2x^2+2x

Back to the equation:

-(-2x^2+2x)



We get rid of parentheses

2x^2-2x+15=0

a = 2; b = -2; c = +15;
Δ = b2-4ac
Δ = -22-4·2·15
Δ = -116
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 29z-5-12z=10z+8 | | 3(4x+9)=-33+24 | | j/9+9=9 | | x+7-7x=-5 | | -5(4m-1)=3(9-m) | | 2(x+12)=3x-6 | | 10+23=x | | 26x-4=15x+24 | | 1/2=a-9/a+29 | | 140+3x=3x+5 | | 9x+30x+25=0 | | 10x-6-2x=12x-2(2x+3) | | 4∣2x+7∣=16 | | 6(x+2)+31=7 | | 3x+20=-x-12 | | 5x=9=2x+54 | | 7(1-7x)=-385 | | x-3x+7=8 | | Y+7x=9x= | | 29=6x=5-3x | | 2-12(4-x)=5(2-x)+4x | | -6(x-7)=13 | | 60=3x+17+10x+4 | | 3x-2(8x-3)=x-19 | | 12x+4=13x+2 | | 7k-20=7k-12 | | 6x-9=3(3x+6) | | 6(x+1)^2+31=7 | | 6-2(8-m)=40 | | (12x-3)-(5x+12)=(3x+13) | | 2(6x+-4)=12x-2 | | -2(1+6x)=-98 |

Equations solver categories