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)

Matematika Tolong bantu sedekah jawaban nya

2x²-11x-30=0​

Tolong bantu sedekah jawaban nya

2x²-11x-30=0​

Jawaban:

x = 7½ atau x = -2

Penjelasan dengan langkah-langkah:

2x² - 11x - 30 = 0

2x² + 4x - 15x - 30 = 0

2x (x + 2) - 15 ( x + 2) = 0

(2x - 15)(x + 2) = 0

2x = 15 atau x + 2 = 0

x = 15/2 atau x = -2

x = 7½ dan x = -2

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