Question

Which of the binomials below is a factor of this trinomial?

x2 + 19x + 84

A. x - 7
B. x2 + 12
C. x + 84
D. x + 7

Answer 1

u can factorize this in this way
x2 + 19x + 84 = x2 + 12 x + 7x + 84
= (x + 7) ( x+ 12 )

now u can find ur answer :)

Answer 2

THANKS.

Answer 3

how about this one.
Which of the binomials below is a factor of this trinomial?

x2 + 6x + 8

A. x + 8
B. x2 + 4
C. x - 4
D. x + 4

Answer 4

this one can factorize as
(x + 4)( x+ 2) = x2 + 4x + 2x + 8 = x2 + 6x + 8 :p