Algebra Polynomials Practice Test Results

Question 1
67% answer correctly
If n = 5 what`s the value of \\(3n^2 - 9n + 17\\) ?
47
120
13
30
Question 2
60% answer correctly
\\((x - 2)(x^2 + 5x + 5)\\) = ?
\\(x^3 + 6x^2 -5x - 10\\)
\\(x^3 + 3x^2 -5x + 10\\)
\\(x^3 + 3x^2 + 5x - 9\\)
\\(x^3 + 3x^2 -5x - 10\\)
Question 3
87% answer correctly
(n + 6)(n + 4) = ?
\\(n^2\\) - 10n + 24
\\(n^2\\) + 10n + 24
\\(n^2\\) + 10n - 24
\\(n^2\\) - 10n - 24