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Earn +20 ptsQ: If 3x equals 81 what is the value of x3?
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Whats x 3 -2?
5
If x3-1 equals 11 What is the value of x?
x=4.
What is the answer to x cubed plus 3x squared plus 3x plus 2 divided by x plus 2?
x3+3x2+3x+2 divided by x+2 equals x2+x+1
Does -2x - 6-3x -21 equal x3?
If you mean ((-2) x (-6)) - (3 x (-21)) then it equals 75. Hope this helps!
4xsquared plus xcubed plus 3x plus 7y plus 2xcubed is equal to?
4X2+X3+3X+7Y+2X3 can only be simplified to 3X3+4X2+3X+7Y, because X3 and 2X3 are the only like terms.
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