408=x(2)3x-2

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Solution for 408=x(2)3x-2 equation: 


Simplifying
408 = x(2) * 3x + -2

Reorder the terms for easier multiplication:
408 = 2 * 3x * x + -2

Multiply 2 * 3
408 = 6x * x + -2

Multiply x * x
408 = 6x2 + -2

Reorder the terms:
408 = -2 + 6x2

Solving
408 = -2 + 6x2

Solving for variable 'x'.

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

Add '-6x2' to each side of the equation.
408 + -6x2 = -2 + 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
408 + -6x2 = -2 + 0
408 + -6x2 = -2

Add '-408' to each side of the equation.
408 + -408 + -6x2 = -2 + -408

Combine like terms: 408 + -408 = 0
0 + -6x2 = -2 + -408
-6x2 = -2 + -408

Combine like terms: -2 + -408 = -410
-6x2 = -410

Divide each side by '-6'.
x2 = 68.33333333

Simplifying
x2 = 68.33333333

Take the square root of each side:
x = {-8.266397845, 8.266397845}

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