A=3x*(2x+4)-5*(4x+2)+x*(x+2)

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Solution for A=3x*(2x+4)-5*(4x+2)+x*(x+2) equation: 


Simplifying
A = 3x(2x + 4) + -5(4x + 2) + x(x + 2)

Reorder the terms:
A = 3x(4 + 2x) + -5(4x + 2) + x(x + 2)
A = (4 * 3x + 2x * 3x) + -5(4x + 2) + x(x + 2)
A = (12x + 6x2) + -5(4x + 2) + x(x + 2)

Reorder the terms:
A = 12x + 6x2 + -5(2 + 4x) + x(x + 2)
A = 12x + 6x2 + (2 * -5 + 4x * -5) + x(x + 2)
A = 12x + 6x2 + (-10 + -20x) + x(x + 2)

Reorder the terms:
A = 12x + 6x2 + -10 + -20x + x(2 + x)
A = 12x + 6x2 + -10 + -20x + (2 * x + x * x)
A = 12x + 6x2 + -10 + -20x + (2x + x2)

Reorder the terms:
A = -10 + 12x + -20x + 2x + 6x2 + x2

Combine like terms: 12x + -20x = -8x
A = -10 + -8x + 2x + 6x2 + x2

Combine like terms: -8x + 2x = -6x
A = -10 + -6x + 6x2 + x2

Combine like terms: 6x2 + x2 = 7x2
A = -10 + -6x + 7x2

Solving
A = -10 + -6x + 7x2

Solving for variable 'A'.

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

Simplifying
A = -10 + -6x + 7x2

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