Question

expand:
(2 + √5)²
(2√3 - 5√2)²​

Answer 1

Answer:

(x - 5)^2

(x - 9)^2

(x - 3)^2

Answer 2

Answer:

( a+b) square.= a squ.. + b squ.. +2ab

Step-by-step explanation:

(2 + root5)^2= 4+ 5 + 2*2*root5

9+4root5 ans.