danelyrocks12 danelyrocks12
  • 23-03-2021
  • Mathematics
contestada

write an algebraic expression in simplest form for the perimeter of a rectangle with side lengths (-3x + 1) and (2x - 5)

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devishri1977
devishri1977 devishri1977
  • 23-03-2021

Answer:

-2x - 8

Step-by-step explanation:

Perimeter = 2*(length + width)

               = 2* (-3x + 1 + 2x - 5)  

               = 2* (-3x + 2x + 1 - 5)      

Combine like terms. (-3x and 2x are like terms ; 1 and (-5) are like terms

                = 2* (-x  -4)      

Use distributive property: a*(b+c) = a*b +a*c

               = 2*(-x)  - 4 *2

              = -2x - 8

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