18-06-2020
Mathematics

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Which of these correctly evaluates the expression (c + d)(e +f)? A ce + cf + de + df B cd + ef + cd + ef C cd x ef D cd 2 2 + ce + ef

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TheAnimeGirl TheAnimeGirl

18-06-2020

Answer:

Option A

Solution,

(c+d)(e+f)

=c(e+f)+d(e+f)

=ce+cf+de+df

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