A rectangle has a height of 7 and a width of a^4+5a^2+4a .
2 answers:
Answer:
7a^6+35a^4+28a^2
Step-by-step explanation:
7a^2(a^4+5a^2+4)
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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