(x-4)(x-18)=x(x-14)

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Solution for (x-4)(x-18)=x(x-14) equation: 



(x-4)(x-18)=x(x-14)

We move all terms to the left:

(x-4)(x-18)-(x(x-14))=0

We multiply parentheses ..

(+x^2-18x-4x+72)-(x(x-14))=0



We calculate terms in parentheses: -(x(x-14)), so:

x(x-14)

We multiply parentheses

x^2-14x

Back to the equation:

-(x^2-14x)



We get rid of parentheses

x^2-x^2-18x-4x+14x+72=0

We add all the numbers together, and all the variables

-8x+72=0

We move all terms containing x to the left, all other terms to the right

-8x=-72

x=-72/-8

x=+9

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