4x(x+2x)=48

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Solution for 4x(x+2x)=48 equation: 


Simplifying
4x(x + 2x) = 48

Combine like terms: x + 2x = 3x
4x(3x) = 48

Remove parenthesis around (3x)
4x * 3x = 48

Reorder the terms for easier multiplication:
4 * 3x * x = 48

Multiply 4 * 3
12x * x = 48

Multiply x * x
12x2 = 48

Solving
12x2 = 48

Solving for variable 'x'.

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

Divide each side by '12'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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