What is the factored form of the expression? t2 – 81 A. (t + 9)(t – 9) B. (t + 81)(t – 1) C. (t + 9)2 D. (t – 9)2

Question

asked Aug 10, 2019 164k views

2 Answers

Fahad Ajmal · Answer 1 · 2019-08-16T11:06:54+0000

we have that
t² – 81

we know that
A difference of two perfect squares, (A² - B²) can be factored into (A+B) • (A-B)
let
A²-------> t²
B²-------> 9²
then
(t² – 9²)------->(t+9)*(t-9)

the answer is
(t+9)*(t-9)

What is the factored form of the expression? t2 – 81 A. (t + 9)(t – 9) B. (t + 81)(t – 1) C. (t + 9)2 D. (t – 9)2

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