X2(x2-9)=4(x2-9)

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Solution for X2(x2-9)=4(x2-9) equation: 



X2(X2-9)=4(X2-9)

We move all terms to the left:

X2(X2-9)-(4(X2-9))=0

We add all the numbers together, and all the variables

X2(+X^2-9)-(4(+X^2-9))=0

We multiply parentheses

X^4-9X^2-(4(+X^2-9))=0



We calculate terms in parentheses: -(4(+X^2-9)), so:

4(+X^2-9)

We multiply parentheses

4X^2-36

Back to the equation:

-(4X^2-36)



We do not support eXpression: X^4

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