afiqah1430
afiqah1430 afiqah1430
  • 24-12-2020
  • History
contestada

:. Solve the value of x for the following proportion
problem.
(2x +3 ) miles (x+3) miles
6 hours
4 hours​

Respuesta :

jesusm1
jesusm1 jesusm1
  • 24-12-2020

Answer:

  1. So you start by cross multiplying
  2. (2x+3)(x+3)
  3. 2x^2+6x+3x+9
  4. Combine like terms
  5. 2x^2+9x+9
  6. Now you must factor to find the roots (ie =0)
  7. You find that the roots are -3
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