Marsani Marsani

11-04-2018
Mathematics

contestada

Help me simplify this

Help me simplify this class=

Respuesta :

sqdancefan sqdancefan

07-07-2019

Answer:

x² +5x +6

Step-by-step explanation:

First of all, eliminate parentheses. The minus sign on the second term affects all terms inside parentheses:

x² +6x +7 -x -1

Group like terms:

(x²) +(6x -x) +(7 -1)

Simplify those groups:

x² +5x +6 . . . . matches the last selection

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