Question

Evaluate the following expression using values given:

Answer 1

Hello :D I actually know how to do this

Answer 2

lol KAYLA!!!!!

Answer 3

Lol hola Kevin

Answer 4

So you have to substitute every x with a 3, every y with a 5 and every z with a -3
Sooo.... hold on

Answer 5

\[x^3 - 2y^2 - 3x^3 + z^4\]

Answer 6

same thing just wanted to make it look more cleaner

Answer 7

if x = 3, y = 5, and z =-3

Answer 8

\[(3)^{3}-2(5)^{2}-3(3)^{3}+(-3)^{4}\]

Easier to solve once it's all numbers

Answer 9

lol ok ^_^

Answer 10

So what's 3 * 3 * 3?

Answer 11

27? we are talking about 3 to the power of 3 right?

Answer 12

yes

Answer 13

Yea lol
This will take too long I'll just do it

(3)^3 ... 3 * 3 * 3 = 27

-2(5)^2 ... -2 * 5 = -10, -10 * -10 = 100

-3(3)^3 ... -3 * 3 = -9, 9 * 9 * 9 = 729

(-3)^4 ... -3 * -3 * -3 * -3 = 81

Shhh let's pretend I'm doing this right

Now add: 27 + 100 + 729 + 81

Answer 14

no @kayla_renae you messed up in the second step

Answer 15

you have to square 5 first then multiply it by -2

Answer 16

Ooooh :/

Answer 17

so
27-50-3(27)+81
27-50-81+81=27-50=-23

Answer 18

messed in third stepp too

Answer 19

So 5 * 5 = 25, 25 * -2 = -50

Yea I see

3 * 3 * 3 = 27, 27 * -3 = -81

Answer 20

Kevin am I confusing you?? xD
I suck at this

27 - 50 - 81 + 81 = ...

Answer 21

oh lol sorry i was in chat

Answer 22

Was that question multiple choice?

Answer 23

i already showed the steps in my post above

Answer 24

Yup good job @acxbox22 and ty for correcting me I've been doing it wrong for a while lol

Answer 25

np ;)