Select all of the factors of x3 5x2 2x – 8. x 5 x – 3 x 4 x – 1 x 3 x 2

Which source would provide the most bias-free information about smoking and increased health risks? a) a website created by heart disease patients b) a research study conducted by the mayo clinic eliminate c) a public service message sponsored by tobacco companies d) an online question forum conducted by attorneys for cardiac specialists