Question

identify the special product by writing the letter of the answer provided. ( number 7 question in photo. )

Answer 1

(7)

Given the equation;

`(y+9)(y-9)=y^2-81`

A binommial is a polynomial that is the sum of two terms, that is;

`y^2-81\ldots.\ldots\ldots\ldots.\text{ is a binommial}`

Thus;

`(y+9)(y-9)=y^2-81`

is a binommial that is a product of sum and difference of two terms.

CORRECT OPTION: D