Find the value of c so that the polynomial p () is divisible by (x-4). p () = cx^3-15x-68

Question

Mathematics

Annabelle Potter

8 July, 22:27

Find the value of c so that the polynomial p () is divisible by (x-4). p () = cx^3-15x-68

+3

Answers (1)

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Rachael Velez · Answer 1

Step-by-step explanation:

x-4=0

x=4

p (x) = cx^3-15x-68=0

p (x) = c (4) ^3-15 (4) - 68=0

p (x) = 64c-60+68=0

p (x) = 64c+8=0

p (x) = 64c=-8

p (x) = c=-8/64

p (x) = c=-1/8

Find the value of c so that the polynomial p (*) is divisible by (x-4). p (*) = cx^3-15x-68

Find the value of c so that the polynomial p () is divisible by (x-4). p () = cx^3-15x-68