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Stella [2.4K]
2 years ago
7

Find the area of a rectangle with length (3x+2) units with width ( 4x+10 ) units​

Mathematics
2 answers:
Shalnov [3]2 years ago
8 0

Area of rectangle = Length × Width

  • Length - (3x+2)
  • Width - (4x+10)

Area of rectangle = (3x+2) × (4x+10)

Area of rectangle = 3x(4x+10) + 2(4x+10)

Area of rectangle = 12x² + 30x + 8x + 20

Area of rectangle = 12x² + 38x + 20

Hence , the area of rectangle is 12x² + 38x + 20 units

pantera1 [17]2 years ago
6 0

Answer:

Step-by-step explanation:

Area of rectangle = length * width

 = (3x + 2)(4x + 10)

  = 3x *(4x + 10) + 2*(4x + 10)

 = 3x *4x + 3x *10 + 2*4x + 2*10

 = 12x² + <u>30x + 8x</u> + 20   {Combine like terms}

  = 12x² + 38x + 20

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