1/2x(x-3)=90

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Solution for 1/2x(x-3)=90 equation: 



1/2x(x-3)=90

We move all terms to the left:

1/2x(x-3)-(90)=0



Domain of the equation: 2x(x-3)!=0

x∈R



We multiply all the terms by the denominator


-90*2x(x-3)+1=0

Wy multiply elements

-180x(x+1=0

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