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

Question

Mathematics

Raphael Novak

10 April, 13:58

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

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Answers (1)

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Kailee Rivera · Answer 1

The student wrote that there are two terms in the expression 3p - (7-4q).

However, if you are going to evaluate the expression, it has three terms. Observe the expression below.

3p - (7-4q)

3p - 7 + 4q

Expressions are symbols, numbers and operators (such as +, *, : and - ) grouped together that show the value of something.

Example: 4 * - 7 is an expression. In 4x-7 = 5, 4x, 7, and 5 are called terms.