Question

Jika a = 4, b = 5 maka nilai dari a5 (a-2b) dibagi (ab)2

Answer 1

A=4, b=5
a5(a-2b) : (ab)2 = 4.5(4-2.5) : (4.5)2 = 20(-6) : (20)2= -120:40= -3

Answer 2

Subtitusi aja semua
a5(a-2b) : 2(ab)
4x5(4-2x5) : 2(4x5)
20x-6 : 40 = -120 : 40 = {-3}