elise555 elise555
  • 22-03-2021
  • Mathematics
contestada

How do I Solve for x.
4x^2-64=0

Respuesta :

tylerredfearn323
tylerredfearn323 tylerredfearn323
  • 22-03-2021

Answer:

Step-by-step explanation:

.

4

2

Answer Link
Crxxom Crxxom
  • 22-03-2021

Answer:

x = 4, -4

Step-by-step explanation:

You can do this by simply pressing the calculator OR by simplify

4x^2 - 64 = 0

(2x)^2 - 8^2 = 0

(2x - 8)(2x + 8) = 0

∴ 2x - 8 = 0 or 2x + 8 = 0

x = 4 or x = -4

Answer Link

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