SOLUTION: Volume= 126ft^3 Height = x Length = x+3 Width = x+4 What is x?

Question 943435: Volume= 126ft^3
Height = x
Length = x+3
Width = x+4
What is x?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

Height
Length
Width
then

........write as and as
...group

real root is:
if =>
here we have , and
since , determinant is negative, so we will have two complex roots and we do not need them for length and width
so, we will use
then
Height
Length
Width
check the volume:

which is same as given

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