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mikia950
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A rectangle has a length of x inches and a width 2 inches less than the length. If the dimensions were tripled what would be the area of the new rectangle in terms o x

Verified Answer :

Originally we have
length = x
width = x-2
since the width is 2 inches smaller than the length

now let's triple each dimension. Multiply the expressions by 3 to get
new length = 3x
new width = 3(x-2) = 3x-6

Now onto the area
area = (length)(width)
area = (3x)(3x-6)
area = 3x3x-3x6
area = 9x^2 - 18x

So the new larger rectangle has area of 9x^2-18x

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