7002546 7002546
  • 15-08-2018
  • Mathematics
contestada

solve the equation without the use of a calculator. please Help!!! Thank you!!!
-7x=x^3+8x^2

Respuesta :

konrad509
konrad509 konrad509
  • 15-08-2018

[tex] -7x=x^3+8x^2\\
x^3+8x^2+7x=0\\
x(x^2+8x+7)=0\\
x(x^2+x+7x+7)=0\\
x(x(x+1)+7(x+1))=0\\
x(x+7)(x+1)=0\\
x=0 \vee x=-7 \vee x=-1
[/tex]

Answer Link

Otras preguntas

As plates move past each other, stress builds up. What happens when this stress becomes too much?
If a is odd and b is odd, then their product ab is a) even b) negative c) odd d) positive e) zero
the nitrogen cycle is an example of a(n) _________ cycle
What substances are stored in the liver
8. What is a variable? Biology wise
What factors led to the decline of the Byzantine Empire and the fall of Constantinople?
SOMEOME HELLL PLS !!
Jamestown was a Dutch colony in Virginia. True False
Which ordered pair is in the solution set of 6x + 4y ≤ −2?
Someone PLEASE Help me I’m stuck