Question

If x=5 and y=−2, evaluate the following expression:10+5xy​

Answer 1

-90

Explanation:

10+5×5×(-2)

10+25×(-2)

10+(-100)

10-100

-90

Answer 2

- 40

Explanation:

Substitute x = 5, y = - 2 into the expression

10 + 5xy

= 10 + 5(5)(- 2)

= 10 - 50

= - 40