Question

Evaluate the following expression: -5(3,4) -3(7,8).

A. (-36, -39)
B. (-6,4)
C. (-6, -39)
D. (-36,4)

Answer 1

-5(3, 4) -3(7, -8) =

-5(3, 4) + [-3(7, -8)] =

= (-15, -20) + (-21, 24)

= (-15 - 21, -20 + 24)

= (-36, 4)

Answer: D. (-36, 4)