Question

(x²+ 2x + 4) factorize​

Answer 1

x^2+2x+4

using identity (x+y)^2=x^2+2xy+y^2

x^2 = (x)^2

4 = (2)^2

then.....

2x = 2(x) (2)....

observing the identity......

(x+y)^2=x^2+2xy+y^2

(x+2)^2=x^2+2(x)(2)+2^2

hope you like it...