Question

Please can anyone simplify (x-4)^4 + 4x(x-4)^3

Answer 1

Can you simplify u^4 + 4xu^3 ?

Answer 2

thats gonna be u^3(u + 4x)

Answer 3

yes.... and in this case U is X-4

Answer 4

but that still doesn't give be the answer

Answer 5

but it's a lot closer

Answer 6

the answer is supposed to be (x-4)^3(5x-4)

Answer 7

hold on i got it
thanks!!!

Answer 8

lol

Answer 9

we have (x-4)^3(x-4+4x) so far...
can you simplify this?

Answer 10

good job!

Answer 11

so could you find the relative extrema of all coordinates from that function?

Answer 12

that function has a minimum at 8/5