anonymous
  • anonymous
Can someone help me solving this? 2x^2+8x-42/x^2+12x+35
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
I have no idea what to do.
DebbieG
  • DebbieG
You'll want to factor both num'r and den'r first.
DebbieG
  • DebbieG
I'm assuming that your instructions are to "simplify the expression" or something along those lines. Once you factor everything, you'll see if there are common factors that can be cancelled.

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DebbieG
  • DebbieG
The num'r has greatest common factor of 2, so factor that out first. Then both numerator and denominator will factor pretty easily.
anonymous
  • anonymous
Thank you. would it be 2(x-3)/(x+5) with ristrictions x≠7,x≠5
DebbieG
  • DebbieG
Double check your signs on those domain restrictions...?
DebbieG
  • DebbieG
but other than that, looks right to me. Just fix those signs! :) Good job! It's important to remember (as you did) that even though a factor cancels when you reduce the expression to lowest form, you still have to make sure that the domain does not include any values that make that den'r=0. :)

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