Question

3. Subtract 3x ² – 5y - 2 from 5y - 3x² + xy and find the value of
the result if x = 2, y = -1.​

Answer 1

3(2) ^2-5(-1) -2-5(-1) -3(2) ^2+2(-1)

12+5-2+5+12-2

=30