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4.5/q-q/4.5.q=-3.6
We move all terms to the left:
4.5/q-q/4.5.q-(-3.6)=0
Domain of the equation: q!=0
q∈R
Domain of the equation: 4.5.q!=0We add all the numbers together, and all the variables
q!=0/4.5.
q!=0
q∈R
4.5/q-q/4.5.q+3.6=0
We calculate fractions
(-1q^2)/4q^2+(4.5*4.5.q)/4q^2+3.6=0
We add all the numbers together, and all the variables
(-1q^2)/4q^2+(+4.5*4.5.q)/4q^2+3.6=0
We multiply all the terms by the denominator
(-1q^2)+(+4.5*4.5.q)+(3.6)*4q^2=0
We get rid of parentheses
-1q^2+4.5*4.5.q+(3.6)*4q^2=0
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