javiy javiy
  • 10-01-2017
  • Mathematics
contestada


Solve each equation.

(x + 3)(x - 3) = 16 - 2x 2

Respuesta :

jlomonte jlomonte
  • 10-01-2017
(x+3)(x-3)=16-2x^2
x^2-3x+3x-9=16-2x^2
x^2+2x^2=16+9
3x^2=25
x^2=25/3
x= +/-√25/3
x=+/- 5√1/3

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