Split the second term 7x^2 - 8x - 12 into two terms
7x^2 + 6x - 14x - 12
Factor out common terms in the first two terms, then in the last two terms
x(7x + 6) - 2(7x + 6)
Factor out the common term; 7x + 6
<u>(7x + 6)(x - 2) </u>
113.04 is the volume
V = pi x r^2 x h
3.14 x 2^2 x 9 = 113.04
Answer:
wait, it only 25 points...
Step-by-step explanation:
The answer is 280 because if you multiply 400 by .3 you get 120 and if you subtract 120 from 400 you get 280
