Question

Slove √5-2 √5+2.- √5+2 √5-2

Answer 1

Answer:

0

Step-by-step explanation:

• (√5-2).(√5+2)-(√5+2).(√5-2)
• {(√5)²-(2)²}-{(√5)²-(2)²}
• {5-4}-{5-4}
• 1-1
• 0