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This is a great place and time to apply synthetic division. Since you are dividing the 3rd order poly by (a+2), let the divisor in synth. div. be -2.
Then:
_________________
-2 / 1 6 12 8
_____-2_-8 -8____________
1 4 4 0
Since there is no remainder, -2 is a root and (x+2) is a factor of the poly.
The quotient comes from those coefficinets 1 4 4
and is 1a^2 + 4a + 4, whose factors are (a+2)^2.
Answer:
31/100
Step-by-step explanation:
Answer: There are 8 rows in the bookshelf. You do 1.5/0.1875=8 (1 1/2 / 3/16)
Answer 8 rows.
Hope this helps!
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Step-by-step explanation:
