Question

If c(x)=x^3-2x and d(x)=4x^2-6x+8,find the value of 3ca-4)+3d(a+5)...step by step,plz and thnx! Medals will be given (if correct..)!!!

Answer 1

Can u please rewrite?

Answer 2

saifoo i still need help! :(

Answer 3

Party, im coming. :)

Answer 4

go help party then come back to me

Answer 5

Okay. (:

Answer 6

\[If c(x)=x^3-2x & d(x)=4x^2-6x+8, what is the value of 3c(a-4)+3d(a+5)\]

Answer 7

What's the value of "a" ?
is it given?

Answer 8

no :(

Answer 9

Ok, so now.. u have the value for "c" and u have the value for "d" as well..
u can simply insert the values,

3c(a-4)+3d(a+5)
3(x^3-2x)(a-4) +3(4x^2-6x+8)(a+5)

Now multiply.

Answer 10

Buuuuuut......dont u do them seperately?

Answer 11

Nope, i think we will do that way.

Answer 12

Otayy ur the boss

Answer 13

hehe. thanks.