X(x-3)=(x-3)(x+3)

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



X(X-3)=(X-3)(X+3)

We move all terms to the left:

X(X-3)-((X-3)(X+3))=0

We use the square of the difference formula

X^2+X(X-3)+9=0

We multiply parentheses

X^2+X^2-3X+9=0

We add all the numbers together, and all the variables

2X^2-3X+9=0

a = 2; b = -3; c = +9;
Δ = b2-4ac
Δ = -32-4·2·9
Δ = -63
Delta is less than zero, so there is no solution for the equation

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