4x-x2=20

Simple and best practice solution for 4x-x2=20 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-x2=20 equation: 



4x-x2=20

We move all terms to the left:

4x-x2-(20)=0

We add all the numbers together, and all the variables

-1x^2+4x-20=0

a = -1; b = 4; c = -20;
Δ = b2-4ac
Δ = 42-4·(-1)·(-20)
Δ = -64
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 5+w=26.9 | | 4^x-15=16 | | 10-5(8x)+6=30 | | y/3+7=16 | | 0=X^2+32x-200 | | y/7+3=7 | | y/20-1=1 | | y/10-5=20 | | 5(x-4)=5(x-9) | | x+18=16+2x+3x | | 16−3p=2.3p+5 | | -7+q=-12 | | 4x^2-30=70 | | 5=–2d–39=–7 | | 5x+2•3x=-44 | | -45m+68-84m=61 | | –56=–8t | | 4(3/4n-5)=3(2/3-11) | | x2+8=180 | | x÷-4=3.1 | | C(x)=0.06x+12.25 | | x(2)+8=180 | | 2z^2+6z-5=0 | | y=-9/8+3 | | 3h+4=32 | | y=-9/8+0 | | 32=3h+4 | | 2x-120=13x+56 | | 2x+5.2=3x+1.2+2x+6.2 | | 2x+26=101 | | 2k+20=2k | | 12a+14=19/2+a |

Equations solver categories