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

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asked Jun 7, 2018 14.3k views

1 Answer

Matthew Morek · Answer 1 · 2018-06-13T01:27:35+0000

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.

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

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