Faisal7777
Faisal7777 Faisal7777
  • 12-09-2020
  • Mathematics
contestada

please solve this and show your working out. thanks!

please solve this and show your working out thanks class=

Respuesta :

lifelongknowledge62 lifelongknowledge62
  • 12-09-2020

Answer:

first

area of rectangle = l*b

                         =     (3x-y+4) ( X+7)

                       = 3x²-xy + 4x+21x-7y+28

                       = 3x²-xy +25x-7y +28

Area of square = l²

                        = (x-2)²= x²- 4x +4

area of shaded region=( 3x²-xy +25x-7y +28) -(x²- 4x +4)

                                     =2x²-xy +29x-7y+24

         

Step-by-step explanation:

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