(x+4)*(2x+4)=368+(2x*x)

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Solution for (x+4)*(2x+4)=368+(2x*x) equation:


Simplifying
(x + 4)(2x + 4) = 368 + (2x * x)

Reorder the terms:
(4 + x)(2x + 4) = 368 + (2x * x)

Reorder the terms:
(4 + x)(4 + 2x) = 368 + (2x * x)

Multiply (4 + x) * (4 + 2x)
(4(4 + 2x) + x(4 + 2x)) = 368 + (2x * x)
((4 * 4 + 2x * 4) + x(4 + 2x)) = 368 + (2x * x)
((16 + 8x) + x(4 + 2x)) = 368 + (2x * x)
(16 + 8x + (4 * x + 2x * x)) = 368 + (2x * x)
(16 + 8x + (4x + 2x2)) = 368 + (2x * x)

Combine like terms: 8x + 4x = 12x
(16 + 12x + 2x2) = 368 + (2x * x)

Multiply x * x
16 + 12x + 2x2 = 368 + (2x2)

Add '-2x2' to each side of the equation.
16 + 12x + 2x2 + -2x2 = 368 + (2x2) + -2x2

Combine like terms: 2x2 + -2x2 = 0
16 + 12x + 0 = 368 + (2x2) + -2x2
16 + 12x = 368 + (2x2) + -2x2

Combine like terms: (2x2) + -2x2 = 0
16 + 12x = 368 + 0
16 + 12x = 368

Solving
16 + 12x = 368

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 12x = 368 + -16

Combine like terms: 16 + -16 = 0
0 + 12x = 368 + -16
12x = 368 + -16

Combine like terms: 368 + -16 = 352
12x = 352

Divide each side by '12'.
x = 29.33333333

Simplifying
x = 29.33333333

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