Algebra
Polynomials
Practice Test

Question 3 of 3
(d + f)(q + w) = ?
2dq \\(\\times\\) 2dw \\(\\times\\) 2fq \\(\\times\\) 2fw
dq + dw + fq + fw
dqw + fqw
dq \\(\\times\\) dw \\(\\times\\) fq \\(\\times\\) fw