Algebra Polynomials Practice Test Results

Question 1
78% answer correctly
(n + 2)(n + 4) = ?
\\(n^2\\) - 6n + 8
\\(n^2\\) - 8n - 8
\\(n^2\\) + 6n + 8
\\(n^2\\) + 6n - 8
Question 2
59% answer correctly
\\((x - 5)(x^2 + 8x + 6)\\) = ?
\\(x^3 + 3x^2 -34x - 30\\)
\\(x^3 + 6x^2 -34x - 30\\)
\\(x^3 + 3x^2 -34x + 30\\)
\\(x^3 + 3x^2 + 34x - 29\\)
Question 3
83% answer correctly
(n + 8)(n + 2) = ?
\\(n^2\\) + 16n - 16
\\(n^2\\) - 16n - 16
\\(n^2\\) + 10n + 16
\\(n^2\\) - 10n - 16