Seudónimo Seudónimo
  • 13-03-2018
  • Mathematics
contestada

is each expression equivalent to 2x^2 - 50?

a 2(x-5)(x+5)
b -2(x+5)(x+5)
c -2(5-x)(x+5)

Say yes or no for each one

Respuesta :

Astute
Astute Astute
  • 19-03-2018
We would first determine how to solve this, and then from there, we would then see whether the following answer would be the correct answers.

[tex] 2x^2 - 50 \\ \\ Pull \ out \ like \ factors : \\ 2x^2 - 50 = 2 * (x^2 - 25) \\ \\ Factoring: \\ x^2 - 25 \\ \\ (your \ answer)...\\ \\ 2 * (x + 5) * (x - 5)[/tex]

Now, we can determine whether the say "yes" or "no" to the following answers.

a 2(x-5)(x+5) = YES
b -2(x+5)(x+5) = NO
c -2(5-x)(x+5) = NO
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