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?
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)
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?