81.28
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the answer is 54 9/14
because Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction.
The answer you're looking for is 83.
The correct factorization is
2(x-2)²
.87 is correct you can always check your work with an online calculator. :)
