Question

What are the factors of 36x8 – 49?

(9x4 – 1)(4x2 + 49)
(36x4 – 7)(x2 + 7)
(6x4 – 7)(6x4 + 7)
(6x8 – 7)(6x + 7)

Answer 1

The correct answer is option C) (6x4 – 7)(6x4 + 7).

wI just did the quiz on Edgenu1ty and got it right.

Hope this helps and have a gr8 day buds <3

Answer 2

(6x^4+7)(6x^4-7) because when you multiply these two factors the two middle terms are +42x^4 & -42x^4 so they cancel out leavinf the first and last terms