Algebra Polynomials Practice Test Results

Question 1
67% answer correctly
If n = 5 what`s the value of \\(3n^2 - 9n + 17\\) ?
13
30
120
47
Question 2
79% answer correctly
(n + 5)(n + 9) = ?
\\(n^2\\) - 14n - 45
\\(n^2\\) - 45n + 45
\\(n^2\\) + 14n + 45
\\(n^2\\) + 14n - 45
Question 3
85% answer correctly
(n + 2)(n + 5) = ?
\\(n^2\\) - 7n - 10
\\(n^2\\) + 10n - 10
\\(n^2\\) + 7n + 10
\\(n^2\\) - 7n + 10