Question

square binomial of x2 + 18x + 81

Answer 1

are you asked to factor this as well?

Answer 2

note that, its in the form: a^2+2ab+b^2, which can be written as (a+b)^2.

Answer 3

yes

Answer 4

example: x^2+6x+9, a=x, b = 3. so, x^2+2(3)(x)+(3)^3=(x+3)^2.

Answer 5

\[\Huge{\color{red}{x^2+18x+81}}\]\[\implies x^2+9x+9x+81\]\[\implies x(x+9)+9(x+9)=??\]

Answer 6

or similarly: (x+___)(x+____) put in the blanks, pair factor of 81, which when you add you get 18.

Answer 7

Understand @janirish ??

Answer 8

yes i understand @TheViper

Answer 9

yw:)