Question

√x×8=4
Ajutatiima dau coroana

Answer 1

√x×8=4
√x×8=√4²
√x×8=√16
x×8=16
x=16:8
x=2
Verificare:√2×8=√16=4

SPER CA TEAM AJUTAT

Answer 2

Conditie de existenta : x>0

radica dinx =4/8=1/2
Ridicam relatia la patrat
De unde x=+ - 1/2
dar x>0

rezulta x=1/2