If k=-4 then the value of (2k)^3-2k^3 is?
Nevermind. That was an easy question. I got it. If you would still like to answer go ahead. It will help verify.
subts k= -4 in where you see K
kinda simple
it should look like 2(-4)^3 - 2(-4)^3
You can do the rest
Thanx Kim.
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