Inactive Tutor answered • 03/28/15
Tutor
New to Wyzant
16x^4-81
(4x^2)^2-(9)^2
(4x^2+9)(4x^2-9)
(4x^2+9)(2x+3)(2x-3)
2 Answers By Expert Tutors
Jan K. answered • 03/28/15
Tutor
5.0
(129)
Effective tutor specializing in math and computer science
16x4 - 81 =
Factor as difference between 2 squares
(4x2 - 9)(4x2 + 9) =
Factor first term as difference between 2 squares
Answer
(2x -3)(2x + 3)(4x2 + 9)
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
