Questions on Algebra: Unit Conversion answered by real tutors!

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Question 151945:
(3-z)(4z^3+6x+2)= (4z^3+6x+2) ganna be (64z+6x+2) ok now 6x+2= 8x+64z= 72xz.
now 3-z = 3-1 coz x=-1 and it's = 2 X 72xz= 144xz:
(3-z)(4z^3+6x+2)= (4z^3+6x+2) ganna be (64z+6x+2) ok now 6x+2= 8x+64z= 72xz.
now 3-z = 3-1 coz x=-1 and it's = 2 X 72xz= 144xz
Answer by checkley77(3624) About Me  (Show Source):
You can put this solution on YOUR website!
(3-z)(4z^3+6x+2)
12z^3+18x+6-3z^4-6xz-2z
-3z^4+12z^3-2z-6xz+18x+6
Question 151945:
(3-z)(4z^3+6x+2)= (4z^3+6x+2) ganna be (64z+6x+2) ok now 6x+2= 8x+64z= 72xz.
now 3-z = 3-1 coz x=-1 and it's = 2 X 72xz= 144xz:
(3-z)(4z^3+6x+2)= (4z^3+6x+2) ganna be (64z+6x+2) ok now 6x+2= 8x+64z= 72xz.
now 3-z = 3-1 coz x=-1 and it's = 2 X 72xz= 144xz
Answer by nknkhotpinkgirl(1) About Me  (Show Source):
You can put this solution on YOUR website!

(3-z)(4z^3+6x+2)= (4z^3+6x+2) ganna be (64z+6x+2) ok now 6x+2= 8x+64z= 72xz.
now 3-z = 3-1 coz x=-1 and it's = 2 X 72xz= 144xz..
my answer is 144xz