2m(m-2)=6-3m

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Solution for 2m(m-2)=6-3m equation:



2m(m-2)=6-3m
We move all terms to the left:
2m(m-2)-(6-3m)=0
We add all the numbers together, and all the variables
2m(m-2)-(-3m+6)=0
We multiply parentheses
2m^2-4m-(-3m+6)=0
We get rid of parentheses
2m^2-4m+3m-6=0
We add all the numbers together, and all the variables
2m^2-1m-6=0
a = 2; b = -1; c = -6;
Δ = b2-4ac
Δ = -12-4·2·(-6)
Δ = 49
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{49}=7$
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-1)-7}{2*2}=\frac{-6}{4} =-1+1/2 $
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+7}{2*2}=\frac{8}{4} =2 $

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