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 - 29\\)
\\(x^3 + 3x^2 -34x - 30\\)
\\(x^3 + 3x^2 -34x + 30\\)
\\(x^3 + 6x^2 -34x - 30\\)
Question 3
62% answer correctly
(d + f)(q + w) = ?
dq \\(\\times\\) dw \\(\\times\\) fq \\(\\times\\) fw
dq + dw + fq + fw
2dq \\(\\times\\) 2dw \\(\\times\\) 2fq \\(\\times\\) 2fw
dqw + fqw