x2-9/3x2-2x-21

Simple and best practice solution for x2-9/3x2-2x-21 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 x2-9/3x2-2x-21 equation: 


x in (-oo:+oo)

x^2-((9/3)*x^2)-(2*x)-21 = 0

x^2-3*x^2-2*x-21 = 0

-2*x^2-2*x-21 = 0

DELTA = (-2)^2-(-21*(-2)*4)

DELTA = -164

DELTA < 0

x belongs to the empty set

See similar equations:

| 42x-6(7x+5)=30 | | 77=-5t-16t | | (6x+3)-10=32 | | 2(-7)-4=4(-7)+3 | | 7(1/6) | | 74=(90+84+x)/3 | | 7x=10-(-11) | | 90/84x=74 | | -5x-3(2x-8)=2 | | 90/84x+74 | | 3w-5w=-8 | | 90+84+x/3 | | 90+84+x=74 | | -2.5v=15 | | y=x-1-7forx | | 1/2r=3/4 | | 4ln(2)-ln(5)= | | 55+4y=95-6y | | 55+4y=95-6t | | 5.2q-4.6-7.1q=0.9-4.6 | | 9/4*2/5 | | 3/6a=18 | | 14-44=3(x-4)-3 | | 2/9+1/12 | | -6/(5/24) | | 5x/2=15/14 | | 3a-4=2(a+1)+8a+3 | | 7/2x+7/2x | | -(3x-2)=7 | | 2(3340-2y)+y=2870 | | 6x=5.5 | | 15x-10(1/3+2/3)=5 |

Equations solver categories