ksmith29 ksmith29
  • 14-11-2017
  • Mathematics
contestada

Simplify completely x^2-15x+56/x-7

A.)x^2+23
B.)x^2-23
C.)x+8
D.)x-8

Respuesta :

choixongdong
choixongdong choixongdong
  • 14-11-2017
x^2-15x+56 = (x -7)(x - 8)
so 
x^2-15x+56
----------------
        x-7

   (x -7)(x - 8)
=------------------
          x-7
= x - 8

answer

D.) x-8
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