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 :

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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