Algebra Polynomials Practice Test Results

Question 1
85% answer correctly
(n + 2)(n + 5) = ?
\\(n^2\\) - 7n - 10
\\(n^2\\) - 7n + 10
\\(n^2\\) + 10n - 10
\\(n^2\\) + 7n + 10
Question 2
57% answer correctly
\\((x - 3)(x^2 + 6x + 3)\\) = ?
\\(x^3 + 3x^2 -15x - 9\\)
\\(x^3 + 3x^2 + 15x - 8\\)
\\(x^3 + 6x^2 -15x - 9\\)
\\(x^3 + 3x^2 -15x + 9\\)
Question 3
62% answer correctly
(d + f)(q + w) = ?
dqw + fqw
2dq \\(\\times\\) 2dw \\(\\times\\) 2fq \\(\\times\\) 2fw
dq + dw + fq + fw
dq \\(\\times\\) dw \\(\\times\\) fq \\(\\times\\) fw