Branflakes98
Branflakes98 Branflakes98
  • 08-05-2017
  • Mathematics
contestada

What is the completely factored form of 8x2 – 50? a. 2(x+5)(x-5), b. 2(2x-5)(2x-5), c. 2(2x+5)(2x+5), d. 2(2x+5)(2x-5)

Respuesta :

jesusnieto
jesusnieto jesusnieto
  • 08-05-2017
the answer will be D
Answer Link
calculista
calculista calculista
  • 16-12-2018

Answer:

Option D

[tex]2(2x+5)(2x-5)[/tex]

Step-by-step explanation:

we have

[tex]8x^{2} -50[/tex]

we know that

[tex]8x^{2} -50=2(4x^{2} -25)[/tex]

Remember difference of squares

[tex](a^{2} -b^{2})=(a+b)(a-b)[/tex]

so

Applying difference of squares

[tex]2(4x^{2} -25)=2(2x+5)(2x-5)[/tex]

Answer Link

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