9kdraper1
9kdraper1 9kdraper1
  • 15-02-2017
  • Mathematics
contestada

What is the value of -3x to the second power +(-3) to the second power x when x equals -1?

Respuesta :

SyntaxError
SyntaxError SyntaxError
  • 15-02-2017
if x =-1
[tex](-3x)^2 +(-3)^2x\\ (-3(-1))^2+(-3^2)(-1)= 0\\ 9+9 = 18\\[/tex] 

The answer will be 18
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