What is the classification of the given polynomial (x + y)(a + b2)? A. binomial
B. trinomial
C. multinomial
D. monomial

C

Step-by-step explanation: there are 4 different variables (x, y, a, and b)

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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!

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

step-by-step explanation: