x(x-3)+42=0

Simple and best practice solution for x(x-3)+42=0 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 x(x-3)+42=0 equation: 



x(x-3)+42=0

We multiply parentheses

x^2-3x+42=0

a = 1; b = -3; c = +42;
Δ = b2-4ac
Δ = -32-4·1·42
Δ = -159
Delta is less than zero, so there is no solution for the equation

See similar equations:

| √x2-8=36 | | 7x+6-4(3+3x/4)=5x-1 | | x^2-4x=58 | | x+0,2=2/3 | | 2d=128 | | 41(x-164)=82 | | 4x-6+2(2x+3)=180 | | (x+6)^3/4=8 | | 10200-50x=200+50x | | 8/9+1/10x=8 | | 2x2-45x-72=0 | | 2x2-45x-18=0 | | 19x-3=17x+13 | | x2-11=110 | | 2/y-4=3/8 | | 5t=55 | | 8x−18=46 | | 49-9u^2=0 | | X^2-3x/2x+4+3=16 | | 25/x=1/150 | | -5-9=8x+5-7x | | 4y-(2/3)y=(3/5) | | (x-13)+(x-5)=2x | | 2^(2x+3)-9*2^x+1=0 | | 64c-4c²=0 | | (2/3)+3(2-m)=-4 | | 3x+5=2/x | | (1-y)(2y+7)=0 | | x/6+5=-3 | | x+5÷3=5 | | 7-2(x-5)=8x+3 | | -9=5x+4+8x |

Equations solver categories