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A rectangle has a height of 4x and a width of 3.+ 1.

Express the area of the entire rectangle.
Expression should be expanded
3.1
4r
Area​

A rectangle has a height of 4x and a width of 3.+ 1. Express the area of the entire-example-1

1 Answer

6 votes

Answer:


12x^2+4x

Explanation:

The area of a square or rectangle can be found by multiplying the width by the height. Since we now both, we can create an expression.


(3x+1)*(4x)

Now we can apply the distributive law/property to expand the expression.


3x(4x)+1(4x)

Finally, we can simplify.


12x^2+4x

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