yesbudha15
yesbudha15 yesbudha15
  • 13-09-2020
  • Mathematics
contestada

Find the value of x - if x^3-7x² - x = 0
a) 17 (b) 71 c) 7
d) 1​

Respuesta :

bmanduva8610
bmanduva8610 bmanduva8610
  • 14-09-2020

Answer:

x = 0

Step-by-step explanation:

[tex]x^3-7x^2-x =0\\[/tex]

Take out common factor

[tex]x(x^2-7x-1) = 0[/tex]

The factor inside the parenthesis cannot be factored

Since there is a common factor that we pulled out of the original equation,

set that x equal to zero and solve

[tex]x = 0\\[/tex] : Therefore x = 0

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