30=(x+3)2+(2x)

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Solution for 30=(x+3)2+(2x) equation:


Simplifying
30 = (x + 3) * 2 + (2x)

Reorder the terms:
30 = (3 + x) * 2 + (2x)

Reorder the terms for easier multiplication:
30 = 2(3 + x) + (2x)
30 = (3 * 2 + x * 2) + (2x)
30 = (6 + 2x) + (2x)

Combine like terms: 2x + (2x) = 4x
30 = 6 + 4x

Solving
30 = 6 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
30 + -4x = 6 + 4x + -4x

Combine like terms: 4x + -4x = 0
30 + -4x = 6 + 0
30 + -4x = 6

Add '-30' to each side of the equation.
30 + -30 + -4x = 6 + -30

Combine like terms: 30 + -30 = 0
0 + -4x = 6 + -30
-4x = 6 + -30

Combine like terms: 6 + -30 = -24
-4x = -24

Divide each side by '-4'.
x = 6

Simplifying
x = 6

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