Question

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

Express the area of the entire rectangle.

Answer 1

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

Explanation:

Answer 2

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