Respuesta :

Simplify (x+2) (x+10) - (x-5) (x+4).find the numerical value of this expression when x=-3.

  • (x+2) (x+10) - (x-5) (x+4).
  • put value of x= -3

  • (-3+2) (-3+10) - (-3-5) (-3+4).
  • -1 x 7 -(-8) x 1
  • (-7) -(-8)
  • -7+8
  • 1
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Answer:

the result is -9

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