Reasmrlife Reasmrlife
  • 03-05-2021
  • Mathematics
contestada

I need help plz ASAP

2x^2-7=-7

This is solving quadratic functions by square roots btw

Respuesta :

clarch19
clarch19 clarch19
  • 03-05-2021

Answer:

x = 0

Step-by-step explanation:

add 7 to each side to get:

2x² = 0

divide each side by 2 to get:

x² = 0

take square root of each side to get:

x = [tex]\sqrt{0}[/tex]

x = 0

Answer Link
Tasyha
Tasyha Tasyha
  • 19-08-2021

Answer:

x = 0

Step-by-step explanation:

[tex] {2x}^{2} - 7 = - 7[/tex]

[tex] = {2x}^{2} = 0[/tex]

[tex] = {2x}^{2} \div 2 = 0 \div 2[/tex]

[tex] = {x}^{2} = 0 \div 2[/tex]

[tex] = {x}^{2} = 0[/tex]

[tex] = x = 0[/tex]

Answer Link

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