Kurlydollaz24
Kurlydollaz24 Kurlydollaz24
  • 10-09-2017
  • Mathematics
contestada

A student wrote that there are two terms in the expression 3p-(7-4q) explain the students error

Respuesta :

3mar 3mar
  • 10-09-2017
3p-(7-4q)
=
3p - 7 - (-4q)
=
3p - 7 + 4q

So they actually are three terms, and he has considered that the things between the brackets as one term, conversely, they are two different terms.


That is his error.
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