x(x+5)+3(x-2)=6(x+2)+x*x

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Solution for x(x+5)+3(x-2)=6(x+2)+x*x equation:


Simplifying
x(x + 5) + 3(x + -2) = 6(x + 2) + x * x

Reorder the terms:
x(5 + x) + 3(x + -2) = 6(x + 2) + x * x
(5 * x + x * x) + 3(x + -2) = 6(x + 2) + x * x
(5x + x2) + 3(x + -2) = 6(x + 2) + x * x

Reorder the terms:
5x + x2 + 3(-2 + x) = 6(x + 2) + x * x
5x + x2 + (-2 * 3 + x * 3) = 6(x + 2) + x * x
5x + x2 + (-6 + 3x) = 6(x + 2) + x * x

Reorder the terms:
-6 + 5x + 3x + x2 = 6(x + 2) + x * x

Combine like terms: 5x + 3x = 8x
-6 + 8x + x2 = 6(x + 2) + x * x

Reorder the terms:
-6 + 8x + x2 = 6(2 + x) + x * x
-6 + 8x + x2 = (2 * 6 + x * 6) + x * x
-6 + 8x + x2 = (12 + 6x) + x * x

Multiply x * x
-6 + 8x + x2 = 12 + 6x + x2

Add '-1x2' to each side of the equation.
-6 + 8x + x2 + -1x2 = 12 + 6x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6 + 8x + 0 = 12 + 6x + x2 + -1x2
-6 + 8x = 12 + 6x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6 + 8x = 12 + 6x + 0
-6 + 8x = 12 + 6x

Solving
-6 + 8x = 12 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-6 + 8x + -6x = 12 + 6x + -6x

Combine like terms: 8x + -6x = 2x
-6 + 2x = 12 + 6x + -6x

Combine like terms: 6x + -6x = 0
-6 + 2x = 12 + 0
-6 + 2x = 12

Add '6' to each side of the equation.
-6 + 6 + 2x = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 2x = 12 + 6
2x = 12 + 6

Combine like terms: 12 + 6 = 18
2x = 18

Divide each side by '2'.
x = 9

Simplifying
x = 9

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