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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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  1. 10 April, 15:13
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    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.
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