Answer:
-105
Step-by-step explanation:
Substituting is like "plug and chug", so we can plug in -2 into the expression and get [tex](13 - 4(-2))((-2)^2+5(-2)+1)[/tex], which simplifies into 21*-5, or -105. [tex]\blacksquare[/tex]
Hello from MrBillDoesMath!
Discussion:
(13-4x) (x ^2 + 5x + 1) = => substitute x = -2
(13 - 4(-2) ) ( (-2)^2 + 5(-2) + 1 ) =
(13 + 8) ( 4 -10 + 1) =
(21) ( -5) = - 105
Thank you,
MrB
