Final answer:
To find the value of x in the given parallelogram expression, combine like terms to get 32x. Without further information, this is where the calculation stops, showing that the quadratic equation approach is not applicable here.
Step-by-step explanation:
To find the value of x in the given parallelogram expression 2x + 46x - 16x, we first need to simplify the expression by combining like terms. The equation simplifies to 32x, which is a linear equation and not a quadratic equation, as initially assumed in the provided information. Since there is no specific value or equation to solve for x given beyond this, this is where our calculation stops unless more information is provided. Therefore, the assumption of a quadratic equation and its solution in the reference information seems to be irrelevant for this particular question.