It should be (x+10) (x-10) so the answer is c
working;
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divides both terms without leaving a fraction
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So 20% is 1/5 and 1/5 of 55 is 11. That means there are in total 11 blue candies if 1/5 of them is damaged then technically 2.2 of them are which is kinda weird as it doesn't give whole number
The answer is 20x^2 + 14x + 2