gabicbggusmao
gabicbggusmao
22-07-2014
Mathematics
contestada
How can I anwser this ?? help me
Respuesta :
AL2006
AL2006
22-07-2014
Exactly like the previous question you posted.
-3x² - 9x = 0
Divide each side of the equation by -3 :
x² + 3x = 0
Factor the left side:
x (x + 3) = 0
This is true if x=0 or if x=-3 .
Answer Link
konrad509
konrad509
22-07-2014
[tex]-3x^2-9x=0\\ -3x(x+3)=0\\ x=0 \vee x=-3[/tex]
Answer Link
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