
The polynomial cannot be factored with rational numbers due to b being 5. You can factor it if b is equal to 6.
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Answer:
1+cos^2(2A)=(1−cos2(2A))+2cos^2(2A)
=sin^2(2A)+2(cos^2A−sin^2A)^2
=(2sinAcosA)^2+2(cos^4A−2cos^2Asin^2A+sin^4A)
=2(cos^4A+sin^4A)
Step-by-step explanation:
So firstly, remember that <u>subtracting a negative number is the same as adding a positive number</u> so our expression will look like this:

Now solve as such:

<u>Your answer is -4, or A.</u>
314, it has to be at least 3 boxes of 100 beads.
The other options aren't over 300 or 3 (boxes) x 100 beadsperbox..
Hope I helped!!