jedchance jedchance
  • 19-05-2017
  • Mathematics
contestada

if a product twice a number decreased by five and five times a number increased by seven is zero; find the numbers.

Respuesta :

akaleti47
akaleti47 akaleti47
  • 19-05-2017
(2x-5)(5x+7)=0

x=5/2 and x=-7/5 these are the 2 numbers
Answer Link
belinda1975
belinda1975 belinda1975
  • 19-05-2017
Answer 5/2 and - 7/5

Product P = (2x1-5)(5x2+7)=0
Solving the binomials, we get
x1=5/2 and x2= -7/5
Answer Link

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