Question

Factorise using identities

(2x + √5)² ​

Answer 1

Answer:

4x2+5+4root5x is the answer of your question

Answer 2

Answer:

Identity- ( a+b) ^2= a^2 + 2ab + b^2

(2x)^2 + 2*2x*√5+ (√5) ^2

4x^2+4√5x+ 5