Question

DAU COROANAAAA!!!!!!!!!!!!!!!!!!​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

1,44*25 = x*x

1,2^2 *5^2 = x^2

(1,2*5)^2 = x^2

6^2 = x^2

x1 = 6

x2 = -6

b)

√625 = 25

√64 = 8

√1296 = 36

x/8 = 25/36

x = 8*25/36 = 2*25/9 = 50/9