askingdoubt askingdoubt
  • 10-10-2021
  • Mathematics
contestada


[tex]5 {x}^{2} - 2x + 3x = 9 {x}^{2} + 9x[/tex]
please fast please fast​

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spammingallowed
spammingallowed spammingallowed
  • 10-10-2021

Answer:

[tex]5 {x}^{2} - 2x + 3x = 9 {x}^{2} + 9x \\ 5 {x}^{2} + x = 9 {x}^{2} + 9x \\ 5 {x}^{2} - 9 {x}^{2} = 9x - x \\ - 4 {x}^{2} = 8x \\ - 4x = 8 \\ x = \frac{ - 8}{4} = - 2 \\ x = - 2 \\ thank \: you[/tex]

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marcus1185
marcus1185 marcus1185
  • 10-10-2021

Answer:

x = -2

simplify:

-4x^2 - 8x = 0

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