3(3-X)X/2=7

Simple and best practice solution for 3(3-X)X/2=7 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 3(3-X)X/2=7 equation: 


X in (-oo:+oo)

(3*X*(3-X))/2 = 7 // - 7

(3*X*(3-X))/2-7 = 0

(3*X*(3-X))/2+(-7*2)/2 = 0

3*X*(3-X)-7*2 = 0

9*X-3*X^2-14 = 0

9*X-3*X^2-14 = 0

9*X-3*X^2-14 = 0

DELTA = 9^2-(-14*(-3)*4)

DELTA = -87

DELTA < 0

1 = 0

1/2 = 0

1/2 = 0 // * 2

1 = 0

X belongs to the empty set

See similar equations:

| 4x+5x-8x=10 | | 3x-2-3(-1+2x)=2-2(x-1) | | -3/5x^2-2=-5 | | 8x-(-7)=-17 | | -1/6w=-8 | | 3x-5+2x=75 | | 12x^2+5x-3/6x^2-2x | | g-11=-15 | | 80=20+2t | | -13q=-72+-18 | | 4-51+4=a | | 2logx-log(8x-160)-1=0 | | (5c-4)(6c+6)= | | w/7-(-4)=6 | | 9x-15/4=x | | 16x^4-9x^2=0 | | 8y-12=5y+3y-5 | | 5b-2b=9 | | 18x+3=2x+51 | | 4.2=0.14r | | 660=11.3+14.6f | | 5+(ln)(8x)=20-2ln(x) | | 5z+4z=36 | | 35x-10=32x+20 | | 20x/3-5=5x-25/3 | | 4m-9=-17 | | 3x^2+3x-44=0 | | 5/49x+20/49=15/49 | | -7.4k=111 | | 9x-3=4x+22 | | 660=11.3f+14.6 | | x^2+15x+26=0 |

Equations solver categories