Question

Evaluate the following for x = -2 and y= -1.
(a) x + y² - xy
(b) 3x + 5y - x² + y³​

Answer 1

Step-by-step explanation:

(a) x + y2 - xy

=> put x = -2 and y = -1

=> - 2 +(-1)2 - (-2 × -1 )

=> -2 + 1 -2

=> -1 - 2

=> -3 ans