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OpenStudy (anonymous):
What is the value of the expression on -4 x to the 3rd power when x=-2? I got -32 and when submitted its said it was wrong and they say 32 is right?
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OpenStudy (anonymous):
can u explain this to me please @jim_thompson5910
jimthompson5910 (jim_thompson5910):
-4x^3 = -4*x*x*x -4x^3 = -4*(-2)*(-2)*(-2) .... replace x with -2 -4x^3 = 8*(-2)*(-2) -4x^3 = -16*(-2) -4x^3 = 32
OpenStudy (anonymous):
i wish i had your brain thank you again
jimthompson5910 (jim_thompson5910):
I recommend breaking it down like that until you get the hang of it
OpenStudy (anonymous):
yeah thats what im doing right now trying to figure it out
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