Question

resolva a equação 4x(×+6)-×^2=5×^2​

Answer 1

4x(x + 6) - x² = 5x²

4x² + 24x - x² - 5x² = 0

- 2x² + 24x = 0

2x • ( - x² + 12) = 0

x= 0

- 2x + 24 = 0

- 2x = - 24

x= - 24/-2

x= 12

S= (0 , 12)