Question

HELP PLEASE WITH AN ALGEBRA QUESTION

Answer 1

@Loser66 PLEASE HELP!!

Answer 2

n is the degree of it, right?

Answer 3

yes

Answer 4

hence, it is a cubic, right?

Answer 5

right!

Answer 6

what are they? the zeros??

Answer 7

I don't get, 3 and 4 and 5i?? you meant you have 3 zeros?

Answer 8

Can you scan and post the original problem? don't type

Answer 9

i dont have time

Answer 10

ok, it is (58/9) (x^2 +5)(x -4)
if it is not that, I don't know how to solve it.

Answer 11

you open parentheses to get the expand form

Answer 12

please try this polynomial:
\[\Large f\left( z \right) = k\left( {z - 3} \right)\left( {z - 4} \right)\left( {z - 5i} \right)\]

Answer 13

you have to determine k, such that the subsequent condition holds:
\[\Large f\left( { - 2} \right) = 116\]
namely your condition

Answer 14

@wade123

Answer 15

he has only 2 roots, not 3, 3 is the degree of the polynomial @Michele_Laino

Answer 16

ok!

Answer 17

One more thing: Although -5i is not stated out, but when we have 5i is a root, then, so as -5i, right?

Answer 18

yes!

Answer 19

ok