Question

Factorize
2 +18 x +81
hlo guys please help me in this question​

Answer 1

x2+18x+81=(x+9)2

Step-by-step explanation:

As 81 is the square of 9 and middle term 18 is double of this number, (compare it with (x+a)2=x2+2ax+a2)

Hence x2+18x+81 is a complete square.

x2+18x+81

= x2+2×9×x+92

= (x+9)2

Answer 2

Answer:

hey (anneyeonghaseyo)

Step-by-step explanation:

x2+18x+81

=x2+(9+9)+81

=x2+9x+9x+81

=x(x+9)+9(x+9)

=(x+9)(x+9)