Question

What is the value of the expression 3xy^(2)-x^(2) when x=2 and y=3

Answer 1

Explanation:

3xy² - x²

x = 2, y = 3

well, we simply replace every variable in the expression by the actual value and calculate.

3×2×3² - 2² = 6×9 - 4 = 54 - 4 = 50