anonymous
  • anonymous
Simplify the numerator. You should get just 13. Show your work. f'(x) = 3(5x + 1) + -5(3x - 2) over (5x + 1)^2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@Mertsj can u help?
anonymous
  • anonymous
@tcarroll010 can u help?
anonymous
  • anonymous
Use the distributive property on: 3(5x + 1) + -5(3x - 2) Which is your numerator. a(c + d) = ac + ad You will get 2 terms that will cancel and 2 other terms that can be combined.

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anonymous
  • anonymous
okay can u show it?
anonymous
  • anonymous
That is now for you to show it. You should show your work now instead of me because that is sufficient help for you to at least start to try to solve it. Go ahead now. It's your problem so take ownership and do some work.
anonymous
  • anonymous
okay
anonymous
  • anonymous
let me try
anonymous
  • anonymous
so for the first i got 15x + 3
anonymous
  • anonymous
That is good so far. So continue.
anonymous
  • anonymous
ok so i gto 15x + 3 + -5x + 10 what do i do next?
anonymous
  • anonymous
You did well on the first half, but: -5(3x - 2) is not equal to -5x + 10 the "10" is right but concentrate on the "-5x". That is where you went wrong a little bit.
anonymous
  • anonymous
okay
anonymous
  • anonymous
so its 15x + 10 right?
anonymous
  • anonymous
You have -5 times 3x There is a negative sign involved. Always check your signs.
anonymous
  • anonymous
so -15x + 10
anonymous
  • anonymous
Yes. So, your numerator is : 15x + 3 + -15x + 10 so far. So now, 2 of the terms will cancel and the other 2 can be combined.
anonymous
  • anonymous
ok so -15x and 15x will cancel and we will combine 10 and 3 to get 13 :)
anonymous
  • anonymous
You got it! Great job! :-)
anonymous
  • anonymous
thanks!
anonymous
  • anonymous
uw! Thanks for the recognition! Good luck in all of your studies! @onegirl

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