What is the square root of 25?
The Answer is +5 or -5.
A lot of people make the common mistake of forgetting -5, since two negatives multiplied make a positive.
ZM
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Expand (2x + 5)(9x - 2).
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I buy a car from a dealership for £3500. The car depreciates in value for every year I own it. What is the value of the car after I have owned it for 18 months if it depreciates at a rate of 5 percent?