3x(3x+x)=100

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Solution for 3x(3x+x)=100 equation:


Simplifying
3x(3x + x) = 100

Combine like terms: 3x + x = 4x
3x(4x) = 100

Remove parenthesis around (4x)
3x * 4x = 100

Reorder the terms for easier multiplication:
3 * 4x * x = 100

Multiply 3 * 4
12x * x = 100

Multiply x * x
12x2 = 100

Solving
12x2 = 100

Solving for variable 'x'.

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

Divide each side by '12'.
x2 = 8.333333333

Simplifying
x2 = 8.333333333

Take the square root of each side:
x = {-2.886751346, 2.886751346}

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