6x^2+6=-7x+11

Simple and best practice solution for 6x^2+6=-7x+11 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 6x^2+6=-7x+11 equation:



6x^2+6=-7x+11
We move all terms to the left:
6x^2+6-(-7x+11)=0
We get rid of parentheses
6x^2+7x-11+6=0
We add all the numbers together, and all the variables
6x^2+7x-5=0
a = 6; b = 7; c = -5;
Δ = b2-4ac
Δ = 72-4·6·(-5)
Δ = 169
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{169}=13$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(7)-13}{2*6}=\frac{-20}{12} =-1+2/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(7)+13}{2*6}=\frac{6}{12} =1/2 $

See similar equations:

| 9x+5=8x+5 | | 38-18=4(x-3) | | 1/3x+7=3 | | 33+3y-13=12y-10-3y | | (28-3i)/(3+2i)=0 | | -9+x=6x-9 | | 7-(5-8x)=4x+18 | | (3x-5)^.5=((2x)^.5)-1 | | 3x+18=2x+27 | | 3.5=5.6-0.3x | | X+29+x+110=129 | | (-x+5)(3x−1)=0 | | x/x-7=6 | | 24s+12=24s-14 | | 3(-5m+3)=9-15m | | M-4+2=m-3+1-2 | | √3x-5=√2x-1 | | (5−x)(3x−1)=0 | | 10k-5k+5=2(k-8) | | x+4/x-3=5/6 | | 5+3r=-19 | | -59+6x=2x=41 | | 4x^2-32x=132 | | 2n+4+2n+2=3 | | 11=17y+5 | | 4x-2+2+x=-2+2x | | 6k+12+1=13 | | 3f-6=4+2f | | x+3/x-3=1/2 | | -7.9x+1.2=-67.8-1.0x | | 2p=-9+p | | 16.9y+8.45=15.6y |

Equations solver categories