angeliaminervini716 angeliaminervini716
  • 01-04-2020
  • Mathematics
contestada

Solve for x.

2x2=128



−6 and 6
​ −8 ​ and 8
​ −32 ​ and 32
​ −64 ​ and 64

Respuesta :

jimrgrant1 jimrgrant1
  • 01-04-2020

Answer:

x = - 8, x = 8

Step-by-step explanation:

Given

2x² = 128 ( divide both sides by 2 )

x² = 64 ( take the square root of both sides )

x = ± [tex]\sqrt{64}[/tex] = ± 8

That is x = - 8, x = 8

Answer Link
elmono111
elmono111 elmono111
  • 13-10-2020

Answer:

Step-by-step explanation:

Ver imagen elmono111
Answer Link

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