SOLUTION: (2a-b)^3
if a=3, and b=-2
ive worked on it, and i think i got it? but i could have done it wrong too..
i got
(2(3)-(-2))^3
(6-2)^3
(4)^3
64.
right?
Algebra.Com
Question 373258: (2a-b)^3
if a=3, and b=-2
ive worked on it, and i think i got it? but i could have done it wrong too..
i got
(2(3)-(-2))^3
(6-2)^3
(4)^3
64.
right?
Found 2 solutions by Fombitz, rfer:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
No,
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
Ok
a minus times a minus is a plus
look at it like this (2*3)-1*-2
so we get
(6+2)^3
8^3=512
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