x(5+x)=(x*x)+3x+1

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


Simplifying
x(5 + x) = (x * x) + 3x + 1
(5 * x + x * x) = (x * x) + 3x + 1
(5x + x2) = (x * x) + 3x + 1

Multiply x * x
5x + x2 = (x2) + 3x + 1
5x + x2 = x2 + 3x + 1

Reorder the terms:
5x + x2 = 1 + 3x + x2

Add '-1x2' to each side of the equation.
5x + x2 + -1x2 = 1 + 3x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5x + 0 = 1 + 3x + x2 + -1x2
5x = 1 + 3x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5x = 1 + 3x + 0
5x = 1 + 3x

Solving
5x = 1 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.
5x + -3x = 1 + 3x + -3x

Combine like terms: 5x + -3x = 2x
2x = 1 + 3x + -3x

Combine like terms: 3x + -3x = 0
2x = 1 + 0
2x = 1

Divide each side by '2'.
x = 0.5

Simplifying
x = 0.5

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