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the area length of a rectangle is 9 units more than 6 times the width. write and expression of the area of the rectangle

the area length of a rectangle is 9 units more than 6 times the width. write and expression-example-1
User NPE
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1 Answer

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We have the next formula for the area of a rectangle


A=lw

where l is the length and w is the width

in our case

l=6n+9

w=n

We substitute the expressions on the formula


A=(6n+9)n

Then we simplify


A=6n^2+9n

ANSWER

A=6n^2+9n

User BertC
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