Question

x²_7×+10=0 encontrando as raizes

Answer 1

I) identificar
1 = a
-7 = b
10 = c


II) Delta
∆= b²-4.a.c
∆= -7²-4.1.10
∆= 49-40
∆=9

III) Bhaskara
-b±√∆
2a
-(-7)±√9
2.1

Primeira raiz 7+3 /2 = 5

Segunda raiz 7-3 /2 = 2

Espero ter ajudado