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A rectangle has a height of 7 and a width of a^4+5a^2+4.

Express the area of the entire rectangle.

Respuesta :

jcherry99

Answer:

Step-by-step explanation:

Area = L * W

L = 7

W = a^4 + 5a^2 + 4

Area = 7*(a^4 + 5a^2 + 4)

Area = 7a^4 + 35a^2 + 28

Answer:7a^6+35a^4+28a^2

Step-by-step explanation:

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