awhymss1 awhymss1
  • 07-08-2018
  • Mathematics
contestada

Which of the following is a factor of 2xy + 8y − 8x − 32?

5
x + 4
x2 − 4x + 16
All of the above

Respuesta :

rejkjavik rejkjavik
  • 08-08-2018

We are given

[tex] 2xy+8y-8x-32 [/tex]

We can write it as

[tex] =2y*x+2y*4-8*x-8*4 [/tex]

we can see that 2y is in first two terms

and -8 is in last two terms

so, we can factor it out

[tex] =2y(x+4)-8(x+4) [/tex]

now, we can see that x+4 is common in both terms

so, we can factor it out

[tex] =(x+4)(2y-8) [/tex]

we can see that

x+4 is one of factor of terms

so, option-B..........Answer

Answer Link

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