X(x+1)(2x+1)=28

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Solution for X(x+1)(2x+1)=28 equation: 



X(X+1)(2X+1)=28

We move all terms to the left:

X(X+1)(2X+1)-(28)=0

We multiply parentheses ..

X(+2X^2+X+2X+1)-28=0

We multiply parentheses

2X^3+X^2+2X^2+X-28=0

We do not support eXpression: X^3

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