Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.
1. \(5, 18=\)
 
2. \(5,1=\)
Answer variants:
\(x^2-5x+1\)
\(x^2-5x+18\)
\(x^2-5x-1\)
\(x^2-5x-1\)