20=8x-4.9x^2

Simple and best practice solution for 20=8x-4.9x^2 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 20=8x-4.9x^2 equation: 



20=8x-4.9x^2

We move all terms to the left:

20-(8x-4.9x^2)=0

We get rid of parentheses

4.9x^2-8x+20=0

a = 4.9; b = -8; c = +20;
Δ = b2-4ac
Δ = -82-4·4.9·20
Δ = -328
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 3(n+11)=42 | | 3x-5+10=60 | | 200x=12 | | 22000=X+0.3x | | X+0.3X=y | | 24=3(21-x)+2(x-4) | | X=6(x+8)+4 | | 3(x-7)+9=18 | | 1+3z=45 | | b+2.3=0.7 | | G=8/3(p-42) | | s-11=-17 | | 22/(4x+1)=18/7.5 | | 10x-4(x+5)+1=-63 | | -3x+5=9x-25 | | 7x/2+6=3 | | 3.2m+6.3=5-8 | | 3x-5+10=180 | | -19+15=-2n-19-19n | | -72-6x=-14x+128 | | 98-x=25 | | 5y+1=10 | | x^2-36x+75=0 | | 4y-4=-4 | | 9. 7+5x=3x+13 | | -32+10x=50+7x | | 2x(x+4)=17 | | T=3x-38 | | 3x+7=2x-+6 | | 4/5k-1/3=1/7 | | x^2-8x-5=3 | | 9(d+5=3(d-3)+6d |

Equations solver categories