Ank estimated that he drove about 450 miles in a week. He actually drove 485 miles. Find the percent error in Hank's estimate. R
1 answer:
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This looks like:
To solve this problem, you'll want to use the AC method to factor x^2+7x-30.
After factoring your expression will look like this:
Cancel out the x+10 because they are common factors, so you are just left with the simple x-3.
Answer is:
x - 3