Question

rrezolvarrea in ecuationale

x²=625
rrasppunsul corect

Answer 1

x² = 625

x² = 25²

x = ±25

Answer 2

x²=625

(x+25)·(x-25)=0

• x=+25=0
• x=-25

• x-25=0
• x=25

x=±25