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

Answer 1

3(2)(3²) - 2²

6(9) - 4

54 - 4

50

Answer 2

3xy^2-x^2

x=2

y=3

3 • 2 •3^2 - 2^2=3 • 2 • 9 - 4= 54-4=50