Question

resolva as equaçoes
a) X2-25
B) X2-36
C)X2-49
D)X2-100

Answer 1

Resposta:

a)x²=25

x= √25

x= ±5

b)x²=36

x = √36

x = ± 6

c)x²=49

x=√49

x= ±7

d)x²=100

x=√100

x= ±10

Explicação passo-a-passo:

a) 5x5= 25

b) 6x6= 36

c) 7x7= 49

d) 10x10= 100