Question

determine o valor de x na igualdade √x.√40=8√10

Answer 1

√x.2√10=8√10
√x=8√10/2√10
√x= 4
x= 4²
x= 16

Answer 2

Olá Thaiene

√x*√40 = 8√10

x*40 = 64*10 

x = 64*10/40 = 64/4 = 16 

.