Algebra Polynomials Practice Test Results

Question 1
55% answer correctly
Factor this equation: \\(x^2 + 2x - 3\\)
\\(2x(x^2 - 3)\\)
(x + 3)(x - 3)
(x + 3)(x - 1)
(x - 3)(x + 1)
Question 2
73% answer correctly
If n = 2 what`s the value of \\(9n^2 + 9n - 19\\) ?
18
54
73
35
Question 3
60% answer correctly
\\((x - 4)(x^2 + 7x + 5)\\) = ?
\\(x^3 + 6x^2 -23x - 20\\)
\\(x^3 + 3x^2 + 23x - 19\\)
\\(x^3 + 3x^2 -23x - 20\\)
\\(x^3 + 3x^2 -23x + 20\\)