6m(m+2)=5m-2

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Solution for 6m(m+2)=5m-2 equation:



6m(m+2)=5m-2
We move all terms to the left:
6m(m+2)-(5m-2)=0
We multiply parentheses
6m^2+12m-(5m-2)=0
We get rid of parentheses
6m^2+12m-5m+2=0
We add all the numbers together, and all the variables
6m^2+7m+2=0
a = 6; b = 7; c = +2;
Δ = b2-4ac
Δ = 72-4·6·2
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1}=1$
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(7)-1}{2*6}=\frac{-8}{12} =-2/3 $
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(7)+1}{2*6}=\frac{-6}{12} =-1/2 $

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