Algebra Polynomials Practice Test Results

Question 1
55% answer correctly
Factor this equation: \\(x^2 + 2x - 3\\)
\\(2x(x^2 - 3)\\)
(x - 3)(x + 1)
(x + 3)(x - 1)
(x + 3)(x - 3)
Question 2
73% answer correctly
If n = 2 what`s the value of \\(9n^2 + 9n - 19\\) ?
54
35
73
18
Question 3
83% answer correctly
(n + 2)(n + 4) = ?
\\(n^2\\) + 6n - 8
\\(n^2\\) - 8n + 8
\\(n^2\\) + 6n + 8
\\(n^2\\) - 6n + 8