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15-06-2017
Mathematics

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Express the area of the rectangle shown below as a trinomial

Express the area of the rectangle shown below as a trinomial class=

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Аноним Аноним

15-06-2017

As we know that the area of a rectangle is -

length × Breadth

So, here length = (3n+1)

Breadth = (2n-5)

Area of rectangle
= (3n+1)(2n-5)

= 3n(2n-5)+1(2n-5)

= 6n² - 15n + 2n - 5

= 6n² - 13n - 5

Answer) Area of rectangle is 6n² - 13n - 5

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