catzilla3096 catzilla3096
  • 03-09-2020
  • Mathematics
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Which of the following represents the area of a rectangle whose length is x - 7 and whose width is x + 12?

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BrainlyWarrior
BrainlyWarrior BrainlyWarrior
  • 03-09-2020

Answer :

Length of rectangle = x - 7

Width of rectangle = x + 12

We have to find area of rectangle[tex].[/tex]

_________________________________

[tex]:\implies\sf\:Area=Length\times Width[/tex]

[tex]:\implies\sf\:Area=(x-7)(x+12)[/tex]

[tex]:\implies\sf\:Area=x^2+12x-7x-84[/tex]

[tex]:\implies\bf\:Area=x^2+5x-84[/tex]

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