Question

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

Answer 1

Answer:

10y-6x^2+2+xy

-10-24+2-2=-34

Answer 2

Step-by-step explanation: 5Y -3X2 + XY  - 3X2 + 5Y + 2

= 5 * -1 -3*2*2 + -1*2 - 3*2*2 + -1*2

= -5 -12 -2 -12 - 2

= -33