2. Explain and correct the error made by a student who simplified this expression. –2x + 7x + 8 (–2 + 7 + 8)x 13x

asked Jun 9, 2021 135k views

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2. Explain and correct the error made by a student who simplified this expression.

–2x + 7x + 8
(–2 + 7 + 8)x
13x

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5 votes

there is no x in 8 so it should’ve been
-2x + 7x + 8 = x(-2+7) + 8

PatrickNolan answered Jun 13, 2021

3.9k points

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