Assignment:
Q1.Apply the Order of Operations to simplify the following expression:
9x[(2x2 - 3x + 7) - (9x3 - 3x2)/3x2]
Q2.Subtract.
3x4 + 4x3 + 7
- (x4 - 2x3 - x2 - 9x)
Q3.Simplify the expression, and identify the constants, coefficients, and variables in the simplified expression.
(8w^4 - 6wz + 6wz^2) - (2w^4 + 7wz - 2wz^2)
Q4.Simplify the expression, and identify the constants, coefficients, and variables in the simplified expression.
3x - y - 5(8x - 3y + 5z)
Q5.Evaluate.
2x^2-4x/x^3-7, for x = -2.
Provide complete and step by step solution for the question and show calculations and use formulas.