theend12340987 theend12340987
  • 17-04-2019
  • Mathematics
contestada

Is x=-3, solution of the equation 2x²+5x+3=0.

Respuesta :

aliviagillespi aliviagillespi
  • 17-04-2019
the answer is 6 if -3 is x.
Answer Link
jimrgrant1 jimrgrant1
  • 17-04-2019

Answer:

No

Step-by-step explanation:

If x = - 3 is a solution to the equation, then the value of the equation should equal zero when x = - 3 is substituted into the left side, that is

2(- 3)² + 5(- 3) + 3

= 18 - 15 + 3

= 6 ≠ 0

Hence x = - 3 is not a solution of the equation

Answer Link

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