liyahmonaee liyahmonaee
  • 20-08-2020
  • Mathematics
contestada

Find the Area of a square with length(x + 7) and width (x + 7)

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 20-08-2020

Answer:

x^2 +14x+49

Step-by-step explanation:

Area = length * width

        = ( x+7) * ( x+7)

       FOIL

    first: x^2

    outer: 7x

   inner: 7x

    last: 7*7 = 49

Add them together

x^2 +7x+7x + 49

Combine like terms

x^2 +14x+49

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