kejeheh
kejeheh
30-09-2015
Mathematics
contestada
what is 15x squared plus 2x +1
Respuesta :
AL2006
AL2006
30-09-2015
That's an expression that stands for a number.
We don't know what number it is until we know what number 'x' is.
And as soon as 'x' changes, the value of the expression immediately
changes too.
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