roseyrachael4
roseyrachael4 roseyrachael4
  • 24-05-2021
  • Mathematics
contestada

Please show work if you can

Please show work if you can class=

Respuesta :

Awesomeriffic Awesomeriffic
  • 24-05-2021

Answer:

-5, 5

Step-by-step explanation:

Original equation

[tex]5x^{2} +8 = 133[/tex]

Move 8 to the right

[tex]5x^{2} = 133 - 8[/tex]

Solve

[tex]5x^{2} = 125[/tex]

Divide both sides by 5

[tex]x^{2} = 25[/tex]

Take the square root of both sides

[tex]x =[/tex] ± [tex]5[/tex]

Separate into two different equations

[tex]\left \{ {{x=-5} \atop {x=5}} \right.[/tex]

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