Question

9x/(6-x) - (x-2)/x=12/6x-x^2

Answer 1

Boa tarde Ana

9x/(6 - x) - (x - 2)/x = 12/(6x - x²)

mmc = 6x - x² = (6 - x)*x

9x² - (x - 2)*(6 - x) = 12 

9x² - (6x + 2x - x² - 12) = 12
9x² + x² - 8x + 12 = 12
10x² - 8x= 0

x*(10x - 8) = 0

x1 = 0
x2 = 8/10 = 4/5