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Verified answer
Ab = -3a²b² = 9
a+b = -5
a³b²+a²b³ = a²b² (a+b) = 9*-5 = -45 (A)
akar2nya adalah a dan b
maka (a.b) = -3
(a + b) = -5
jadi
a³b² + a²b³ = a²b² . (a+b)
= (a.b)² . (a+b)
= (-3)² . (-5)
= 9 . (-5)
= -45