Question

15x-30=6x+3x² por favor respondão

Answer 1

Olá Kawejxk

15x - 30 = 6x + 3x²

3x² - 9x + 30 = 0

x² - 3x + 10 = 0

delta
d² = 9 - 40 = -31
d = √31i

x1 = (3 + √31i)/2
x2 = (3 - √31i)/2

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