Question 1 of 10 Use the grouping method to factor the polynomial below completely. x3 + 2x2 + 4x+8

A. (x2 + 4)(x+4)

B. (x2 + 2)(x+2)

C. (x2 + 4)(x + 2)

D. (x2+2)(x+4)​

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

first one because it can't have a fraction in it

step-by-step explanation:

in 1995, potato plants were taken into space aboard the space shuttle columbia.

step-by-step explanation: