4x+28/3x^2+21x

Simple and best practice solution for 4x+28/3x^2+21x 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+28/3x^2+21x equation: 


x in (-oo:+oo)

(28/3)*x^2+4*x+21*x = 0

28/3*x^2+25*x = 0

DELTA = 25^2-(0*4*28/3)

DELTA = 625

DELTA > 0

x = (625^(1/2)-25)/(2*28/3) or x = (-625^(1/2)-25)/(2*28/3)

x = 0 or x = -75/28

x in { -75/28, 0 }

See similar equations:

| (p-3)+(p-7)=0 | | 6x+2(x+3)=22 | | z/4=-9 | | 4w+3-3=4 | | 97/8=b-3/4 | | 124=-5(4k-4)+7k | | (6x^7)(5x^9)= | | 36-x=-4 | | -4.6-3m= | | 10x+2=6w | | 30-x-x^2=0 | | 9x+30=2x+2 | | 6/15-(-14/10.5) | | 3/4(4x-12)=6 | | 2-(32-34)=x | | m+2m= | | -x+8=-16 | | 0.56n-2=0.67n | | 20=20 | | (-3-12)-(-40)=x | | 3x=8y-3 | | 13/x=3/9 | | 104-(4x+13)=4(x+7)+x | | 3x^2-3x/9x^2+15x | | 2/14431+2 | | 3x^2-11x+7=0 | | 0.4x-0.6x-8=-7 | | 0x=7 | | 50=x+31 | | 11-4x/3=5x+6/4+6 | | 3y-2+y+36=5y+40-3y | | 3+1.4y=-1.2 |

Equations solver categories