Question 243149: how many variables in the sum 3+6d^2+d+e
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website! looks like 2.
d and e
d^2 is a different term but the same variable.
when you combine like terms, d^2 and d don't combine.
but they are the same variable.
the letter e could be a variable or it could be the scientific constant e.
if it is the scientific constant e = 2.718281818 then you have 1 variable in the equation.
if it's not, then you have 2 variables.
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