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21/2q+1)=-3(2q-1)+4(2q+1)
We move all terms to the left:
21/2q+1)-(-3(2q-1)+4(2q+1))=0
Domain of the equation: 2q!=0We multiply parentheses
q!=0/2
q!=0
q∈R
21/2q-6q+4(2q+1))+1)-(+3=0
We multiply all the terms by the denominator
-6q*2q+(4(2q+1))+3)*2q+21+1)-(=0
We calculate terms in parentheses: +(4(2q+1)), so:Wy multiply elements
4(2q+1)
We multiply parentheses
8q+4
Back to the equation:
+(8q+4)
-12q^2+(8q+4)+3)*2q+21+1)-(=0
We get rid of parentheses
-12q^2+8q+3)*2q+21+1)-(+4=0
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