Algebra Polynomials Practice Test Results

Question 1
83% answer correctly
(n + 2)(n + 4) = ?
\\(n^2\\) + 6n + 8
\\(n^2\\) + 6n - 8
\\(n^2\\) - 6n + 8
\\(n^2\\) - 8n + 8
Question 2
78% answer correctly
Factor \\(x^2 + 13x + 36\\)
(x + 4)(x - 9)
(x - 4)(x + 9)
(x - 4)(x - 9)
(x + 4)(x + 9)
Question 3
64% answer correctly
If n = 2 what`s the value of \\(4n^2 - 4n + 18\\) ?
26
24
-10
8