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MrMuchimi
2 years ago
13

Help?? Thanks if you do​

Mathematics
1 answer:
Mariana [72]2 years ago
6 0

Answer:

l = 6a^{4} + 2a - 1

Step-by-step explanation:

the area (A) of a rectangle is calculated as

A = lw ( l is the length and w the width )

given A = 18a^{5} + 6a² - 3a and w = 3a , then

3aw = 18a^{5} + 6a² - 3a ( divide each term by 3a )

w = \frac{18a^{5} }{3a} + \frac{6a^2}{3a} - \frac{3a}{3a} = 6a^{4} + 2a - 1

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