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?

Question

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?

anonymous · Answer

can u explain this to me please

@jim_thompson5910

jim_thompson5910 · Answer

-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

anonymous · Answer

i wish i had your brain thank you again

jim_thompson5910 · Answer

I recommend breaking it down like that until you get the hang of it

anonymous · Answer

yeah thats what im doing right now trying to figure it out