Question

help please so stuck:
Find x^3 - 2y^2 - 3x^3 + z^4 if x = 3, y = 5, and z = -3.

Answer 1

i think its −185

Answer 2

how did you get it?

Answer 3

33−2⋅52−3⋅33−34

Answer 4

27−2⋅25−3⋅27−81

Answer 5

yea but 2y^2 would be 2x5= 10 x 2 = 100 right?

Answer 6

You replace all the x's with 3's y's with 5 and z's with -3. then solve. I think anyways...

Answer 7

3^3−2⋅5^2−3⋅3^3−3^4

Answer 8

i got that DjNck but...