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2 years ago

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

Mathematics

2 answers:

MariettaO [177]2 years ago

8 0

Answer:

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

Step-by-step explanation:

7a^2(a^4+5a^2+4)

boyakko [2]2 years ago

5 0

Answer:

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

Step-by-step explanation:

Area is the product of height and width:

area = height × width

= 7 × (a^4 +5a^2 +4a)

area = 7a^4 +35a^2 +28a . . . . . . use the distributive property

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