Harper9 Harper9

25-02-2022
Mathematics

contestada

The total area of two rectangles can be represented by the expression
(x)(3x + 1) + (2x)(x + 3). Which expression represents the total area of the two
rectangles combined?
A. 7x2
B. 6x3 + 6x2
C. 6x2 + 7x
D. 5x2 + 7x

Respuesta :

KurapikaQ7 KurapikaQ7

27-02-2022

D

Step-by-step explanation:

(x)(3x + 1) + (2x)(x + 3)

=3x^2+x+2x^2+6x

=3x^2+2x^2+x+6x

=5x^2+7x

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