12,8x-(x^2)/2-40=0

Simple and best practice solution for 12,8x-(x^2)/2-40=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 12,8x-(x^2)/2-40=0 equation: 


x in (-oo:+oo)

12.8*x-((x^2)/2)-40 = 0

12.8*x-1/2*x^2-40 = 0

DELTA = 12.8^2-(-40*(-1/2)*4)

DELTA = 12.8^2-80

DELTA = 83.84

DELTA > 0

x = ((12.8^2-80)^(1/2)-12.8)/(-1/2*2) or x = (-(12.8^2-80)^(1/2)-12.8)/(-1/2*2)

x = 12.8-(12.8^2-80)^(1/2) or x = (12.8^2-80)^(1/2)+12.8

x in { 12.8-(12.8^2-80)^(1/2), (12.8^2-80)^(1/2)+12.8 }

See similar equations:

| -4(5n+5)-4=-8(3+7n) | | 3(19n+11)= | | y=-80+2.5x | | 3.4m-4-3.4m-6= | | 2-2k+6=-2k-14 | | 0.4(x-8)=5.6 | | 0.81-x^2=0 | | F(x)=5x^4-36x^2-81 | | 8t+6t=126 | | 5-16-24x=37 | | 16y-2x=-8 | | a+4=1+2a | | (2a-3)(a+1)=(a+3)(a+9) | | f(4)=6x*4+3 | | -x-21=19 | | 3X^2+24x+62=0 | | 8i/(7-8i) | | 2x(3x+6)-4(x+7)= | | 3(2.9)+5p=7.6 | | -17=x-16-4x | | 5y-23=-47+8y | | 7(x-9)+x=2(x+2)-2 | | 2x-16y=-8 | | -12-m=-2m+4m | | -3y-4x=-1 | | -3(6n-5)+18n= | | 1/2-1/(3x)=-4 | | 2x^2-48=10x | | -5(6-2n)-8n=-14 | | 3x^2-10=50 | | 44-(x+6)=9x-2 | | 35=-7(y+3)-y |

Equations solver categories