Question

Factorise xsquare +2squareroot5x +5

Answer 1

x^2 + 2√5x + 5

x^2 + √5x + √5x + 5

x(x+√5) + √5(x+√5)

(x+√5) (x+√5)

OR

(x)^2 + 2(x)(√5) + (√5)^2

(x + √5)^2 [(a+b)^2]

(x+√5) (x+√5)