Question

4x²-32x+15 ayuden con proceso manden

Answer 1

4x²-32x+15 = 0

x = (32 ± √(32² - 4 * 4 * 15) ) / (2 * 4)

x = (32 ± √(1024 - 240)) / 8

x = (32 ± √(784)) / 8

x = (32 ± 28) / 8

Por tanto,

x1 = (32 + 28) / 8 = 60 / 8 = 7.5

x2 = (32 - 28) / 8 = 4 / 8 = 0.5