Penjelasan dengan langkah-langkah:
2x²-7x-15=0
(2x + 3)(x - 5) = 0
2x + 3 = 0 atau x - 5 = 0
2x = -3 atau x = 5
x = -3/2 atau x = 5
2x²-7x-15 = 0
= (2x+3)(x-5) = 0
= 2x +3 = 0 / x - 5 = 0
= 2x = -3 / x = 5
= x = -3/2 / x = 5
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Penjelasan dengan langkah-langkah:
2x²-7x-15=0
(2x + 3)(x - 5) = 0
2x + 3 = 0 atau x - 5 = 0
2x = -3 atau x = 5
x = -3/2 atau x = 5
2x²-7x-15 = 0
= (2x+3)(x-5) = 0
= 2x +3 = 0 / x - 5 = 0
= 2x = -3 / x = 5
= x = -3/2 / x = 5