(2m-3)(m=6)

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



(2m-3)(m=6)
We move all terms to the left:
(2m-3)(m-(6))=0
We multiply parentheses ..
(+2m^2-12m-3m+18)=0
We get rid of parentheses
2m^2-12m-3m+18=0
We add all the numbers together, and all the variables
2m^2-15m+18=0
a = 2; b = -15; c = +18;
Δ = b2-4ac
Δ = -152-4·2·18
Δ = 81
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{81}=9$
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-15)-9}{2*2}=\frac{6}{4} =1+1/2 $
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-15)+9}{2*2}=\frac{24}{4} =6 $

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