Question

Find the value of the expression when x = 2, y= -1, 3x + 4xy - 5y

Answer 1

Answer:

3

Step-by-step explanation:

3x + 4xy - 5y

3*2 + 4*2*-1 - 5*-1

6 + -8 - -5

6 - 8 + 5

-2 + 5 = 3

Answer 2

Answer:

3 x 2 + 4 x 2 x (-1) - 5 x (-1)

6 + (- 8) - (-5)

6 - 8 + 5

6 - 3

Ans = 3