Question

Jika X=-4 , y=-5
Hitunglah:
a. (-4y pangkat2) -3
b. 8(x-y)-3

Answer 1

Verified answer

ALjabr

x = 4
y = - 5

a) (- 4 y² ) - 3 =
= ( - 4 . (-5)² ) - 3
= (-4  (25)) - 3
= -100 - 3
= -103

b) 8 (x - y) - 3 =
= 8 ( -4 -(-5)) - 3
= 8 (-4 +5) - 3
= 8 ( 1) - 3
= 8 - 3
= 5