Polynomial in standard form. (9b-1)(9b+1)

Question

asked Jun 21, 2021 233k views

2 Answers

Viral Parmar · Answer 1 · 2021-06-25T05:14:37+0000

You have to use the method of FOIL (first, outer, inner and Last)

9b*9b is first

9b*1 is outer

-1*9b is inner

-1*1 is last

Together, they form the expression 81b^2 + 9b - 9b - 1

Collect like terms and the answer is 81b^2 - 1

Polynomial in standard form. (9b-1)(9b+1)

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

Please log in or register to add a comment.

Please log in or register to add a comment.

No related questions found

Categories

Other Questions