11-6x=-0.8x^2

Simple and best practice solution for 11-6x=-0.8x^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 11-6x=-0.8x^2 equation:



11-6x=-0.8x^2
We move all terms to the left:
11-6x-(-0.8x^2)=0
We get rid of parentheses
0.8x^2-6x+11=0
a = 0.8; b = -6; c = +11;
Δ = b2-4ac
Δ = -62-4·0.8·11
Δ = 0.8
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-6)-\sqrt{0.8}}{2*0.8}=\frac{6-\sqrt{0.8}}{1.6} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-6)+\sqrt{0.8}}{2*0.8}=\frac{6+\sqrt{0.8}}{1.6} $

See similar equations:

| 1-6-3(2k+4)=18 | | 42=2x-16 | | 5=2m-11 | | 1–6–3(2k+4)=18 | | 5=2m=11 | | 21x+7=13x+11 | | 8x-21=-5x-8 | | (3x+1)^2+21=1 | | 12y=3y+45 | | -9x=-4+15 | | 7m+6=23m= | | 7m+6=23M+ | | 7m+6=23 | | x-1/5=5+1/6 | | x-1/5=51/6 | | 7/8÷x=7/96 | | 4x+5=`1 | | 2(x+5)-2=33-3x | | 14x=399 | | -3(x+4)+18=10-4x | | x+6=20–2x | | -6x-29=5x-2 | | 3x-9=126 | | v+4/9=7 | | 1/4×n=4 | | 2f+3=-2 | | 2−3(f+3)=-2 | | -1.3x=1.8 | | (x-10)/1994+(x-8)/1996+(x-6)/1998+(x-4)/2000+(x-2)/2002=(x-2002)/2+(x-2000)/4+(x-1998)/6+(x-1996)/8+(x-1994)/10 | | 9t/4-9t/14=6/7 | | 3x+4=3x-20 | | 240+5g+3=(10g-5) |

Equations solver categories