100 Business Math Questions and Answers (The Complete MBA CourseWork Series Book 2)

100 Business Math Questions and Answers (The Complete MBA CourseWork Series Book 2)

tentukan akar persamaan kuadrat berikut dengan memfaktorkan 4x²+12x-5=0​

tentukan akar persamaan kuadrat berikut dengan memfaktorkan 4x²+12x-5=0​

Jawaban:

4x²+12x+5 = 0

(2x+1)(2x+5) = 0

2x+1 = 0

2x = -1

x = - 1/2

atau

2x+5 = 0

2x = -5

x = - 5/2

x = -2 1/2

gini bukan seh?