90=1/2(x+6)(x+2x)

Solution for 90=1/2(x+6)(x+2x) equation:

90=1/2(x+6)(x+2x)

We move all terms to the left:

90-(1/2(x+6)(x+2x))=0


Domain of the equation: 2(x+6)(x+2x))!=0

x∈R


We add all the numbers together, and all the variables

-(1/2(x+6)(+3x))+90=0

We multiply parentheses ..

-(1/2(+3x^2+18x))+90=0

We multiply all the terms by the denominator


-(1+90*2(+3x^2+18x))=0


We calculate terms in parentheses: -(1+90*2(+3x^2+18x)), so:

1+90*2(+3x^2+18x)

determiningTheFunctionDomain
90*2(+3x^2+18x)+1

Wy multiply elements

180x(++1

We use the square of the difference formula

180x(+1

Back to the equation:

-(180x(+1)


We add all the numbers together, and all the variables

-(180x1=0