Assignment:
Solve in lowest terms with parenthesis if necessary:
Multiply
Q1. 16x^2/y^4 * 5x^2/y^2
Q2. 6x^5y^3/5z^3 * 6x^4/5yz^4
Q3. x^2+7x+12/x+4 * 1/x+3
Divide
Q4. 25xy^2/7z / 5x^2y^2/14z^2
Q5. x^2-12x+32/x^2-6x-16 / x^2-x-12/x^2-5x-24
Provide complete and step by step solution for the question and show calculations and use formulas.