Superb job of not giving away answers in the test suite.
The solutions for x<-1 would require y^2<0.
William, expand the right side.
Remove the vowels
Tic Tac Toe FTW
Encode Roman Numerals
Find out missing number from a vector of 9 elements
convert matrix to single column
Construct finite difference approximations of derivatives
Identify full reptend primes
Compute the sum of reciprocals of quadratics
Solve a ballot counting problem
Generate a list of composite numbers
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