Algebra Polynomials Practice Test Results

Question 1
72% answer correctly
If n = 6 what`s the value of \\(2n^2 + 3n + 5\\) ?
85
54
90
95
Question 2
63% answer correctly
\\((x - 4)(x^2 + 6x + 4)\\) = ?
\\(x^3 + 2x^2 -20x - 16\\)
\\(x^3 + 2x^2 -20x + 16\\)
\\(x^3 + 4x^2 -20x - 16\\)
\\(x^3 + 2x^2 + 20x - 15\\)
Question 3
71% answer correctly
If n = 4 what`s the value of \\(9n^2 + 6n + 2\\) ?
120
168
166
170