X(x-17)-18=(x-3)(x+16)

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Solution for X(x-17)-18=(x-3)(x+16) equation: 



X(X-17)-18=(X-3)(X+16)

We move all terms to the left:

X(X-17)-18-((X-3)(X+16))=0

We multiply parentheses

X^2-17X-((X-3)(X+16))-18=0

We multiply parentheses ..

X^2-((+X^2+16X-3X-48))-17X-18=0



We calculate terms in parentheses: -((+X^2+16X-3X-48)), so:

(+X^2+16X-3X-48)

We get rid of parentheses

X^2+16X-3X-48

We add all the numbers together, and all the variables

X^2+13X-48

Back to the equation:

-(X^2+13X-48)



We add all the numbers together, and all the variables

X^2-17X-(X^2+13X-48)-18=0

We get rid of parentheses

X^2-X^2-17X-13X+48-18=0

We add all the numbers together, and all the variables

-30X+30=0

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

-30X=-30

X=-30/-30

X=1

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