kaintahmed213 kaintahmed213
  • 22-05-2022
  • Mathematics
contestada

the lenght of a rectangle is x+5 and it,s breath is x-5the areas of a rectangle is is x raise to the power of 2-x-15 is it true or false?

Respuesta :

jimrgrant1 jimrgrant1
  • 22-05-2022

Answer:

False

Step-by-step explanation:

the area (A) of a rectangle is calculated as

A = length × breadth

  = (x + 5)(x - 5) ← expand factors using FOIL

  = x² - 5x + 5x - 25

 = x² - 25 ≠ x² - x - 15

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