Algebra Polynomials Practice Test Results

Question 1
58% answer correctly
\\((x - 4)(x^2 + 7x + 3)\\) = ?
\\(x^3 + 3x^2 + 25x - 11\\)
\\(x^3 + 6x^2 -25x - 12\\)
\\(x^3 + 3x^2 -25x - 12\\)
\\(x^3 + 3x^2 -25x + 12\\)
Question 2
60% answer correctly
\\((x - 2)(x^2 + 5x + 5)\\) = ?
\\(x^3 + 3x^2 + 5x - 9\\)
\\(x^3 + 3x^2 -5x + 10\\)
\\(x^3 + 3x^2 -5x - 10\\)
\\(x^3 + 6x^2 -5x - 10\\)
Question 3
83% answer correctly
(n + 8)(n + 2) = ?
\\(n^2\\) + 10n + 16
\\(n^2\\) - 10n - 16
\\(n^2\\) - 16n - 16
\\(n^2\\) + 16n - 16