Respuesta :
you would first factor out the 2 and then use the reverse foil method and get the first answer. 2(x^2+3)(x+7)
Correct answer is A.
[tex]2x^3 + 14x^2 + 6x + 42 \\2x^2(x+7)+6(x+7) \\(x+7)(2x^2+6) \\(x+7)2(x^2+3)[/tex]
[tex]2x^3 + 14x^2 + 6x + 42 \\2x^2(x+7)+6(x+7) \\(x+7)(2x^2+6) \\(x+7)2(x^2+3)[/tex]