-4x(x+2)=28

Simple and best practice solution for -4x(x+2)=28 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+2)=28 equation: 



-4x(x+2)=28

We move all terms to the left:

-4x(x+2)-(28)=0

We multiply parentheses

-4x^2-8x-28=0

a = -4; b = -8; c = -28;
Δ = b2-4ac
Δ = -82-4·(-4)·(-28)
Δ = -384
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 3/4(5x)=3X3+2 | | 4+x/2=-4 | | 9.1/14.7=1.8/p | | -2(3t-2)=2(4-3t)-4 | | 2x-4(5x-6)=114 | | 9s-85=16s | | 2x=-4.5 | | 4m+7m=-22 | | 2y+5-3y=2 | | X+1+7x=1 | | (x^2-6x+9)^2-15(x^2-6x+10)=1 | | n-5/8+n+4/9=19 | | -11-(-2x)-17=-15 | | 3/4x+2=29 | | 2(w-3)=6(w+4) | | 35+.20m=89 | | ,3x-5=7 | | x+4/2+x+4/5=2 | | 85+(x+55)+(x+50)=180 | | ((2.1x10^-6)/x^2))=1.7x10^-9 | | 2y+(-7)+3y-4y+4=-2 | | –6x–36=6x+36 | | 70+(x+38)+(x+78)=180 | | 15x+4=7x+8x+4 | | 11=18+7t | | 3.5+4t=39.5 | | b+3/8=21/8 | | 10x^-7=743 | | 9x+27=27x | | n/18+6=5 | | 5-2x+(-8)=-11 | | 5/7x-6(-6)=16 |

Equations solver categories