Question

21. Jika diketahui nilai a = -2, dan b = 3, maka nilai 4a x 2b - 5ab = a. -42 b. 42 C. -18 d. 18​

Answer 1

Jawab: C

a = -2, dan b = 3,

maka nilai 4a x 2b - 5ab =

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

-8 x 6 - 5(-6)

-48 - (-30)

= - 18