X(5+x)=x2+3x+1

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Solution for X(5+x)=x2+3x+1 equation: 



X(5+X)=X2+3X+1

We move all terms to the left:

X(5+X)-(X2+3X+1)=0

We add all the numbers together, and all the variables

-(+X^2+3X+1)+X(X+5)=0

We multiply parentheses

-(+X^2+3X+1)+X^2+5X=0

We get rid of parentheses

-X^2+X^2-3X+5X-1=0

We add all the numbers together, and all the variables

2X-1=0

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

2X=1

X=1/2

X=1/2

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