Question

quanto é x²-7x+10=0?

me ajudem

Answer 1

x²-7x+10=0
a = 1
b = -7
c = 10

delta  = b² - 4ac
delta = -7² - 4 * 1 * 10
delta = 49 - 40
delta = 9

-b+-raizdedelta/2a

-(-7) + - 3 / 2
7 +3 / 2 = 10/2 = 5
7-3/2 = 4/2 = 2