(8y-12)(1.2+0.3y)=0

Simple and best practice solution for (8y-12)(1.2+0.3y)=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 (8y-12)(1.2+0.3y)=0 equation:



(8y-12)(1.2+0.3y)=0
We add all the numbers together, and all the variables
(8y-12)(0.3y+1.2)=0
We multiply parentheses ..
(+0y^2+9.6y+0y-14.4)=0
We get rid of parentheses
0y^2+9.6y+0y-14.4=0
We add all the numbers together, and all the variables
y^2+10.6y-14.4=0
a = 1; b = 10.6; c = -14.4;
Δ = b2-4ac
Δ = 10.62-4·1·(-14.4)
Δ = 169.96
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(10.6)-\sqrt{169.96}}{2*1}=\frac{-10.6-\sqrt{169.96}}{2} $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(10.6)+\sqrt{169.96}}{2*1}=\frac{-10.6+\sqrt{169.96}}{2} $

See similar equations:

| (2t+1)+(4t-8)+(6t-187)=180 | | 10=21+n | | 3v-(9v)=30 | | 5+5n=25 | | h/48=12/18 | | -20=-5x-10 | | (2t+1)+(4t-8)=180 | | x²-12=37 | | 3x-70=500 | | y=32+y | | -2.5x=-6 | | 2r=25 | | 3x+70=460 | | C(x)=25.75-0.06x | | 2x^2​-30=98 | | 4x-18=+3 | | 29=j-4 | | n+78=-20 | | 4–(x+3)=-2x+3(x–9) | | -21+9x-5x=47 | | 2x-72-9x=124 | | -x+14x-169=91 | | -54-11x+6x=106 | | X-52-5x=24 | | x+(-8)=8 | | 5x-15x-116=44 | | 60+102=2x | | -174-x+10x=150 | | 15=f+1 | | -11/2-51/2=v | | 4^x−6(2^x)+8=0 | | 3x+(x+44)+(4x-136)=180 |

Equations solver categories