X * (x + 1) * (x -4) = 84
x^2 + x * (x -4) = 84
x^3 + x^2 -4x^2 -4x = 84
x^3 - 3x^2 -4x -84 = 0
Using the cubic equation calculator:
http://www.1728.org/cubic.htm
x = 6
width 6
length 7
height 2
Step-by-step explanation:
hope u like it.......
The answer is false
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Answer:
x = 3,-13 :)
Step-by-step explanation:
hope this helps plz brainiest