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Simplify the numerator. You should get just 13. Show your work. f'(x) = 3(5x + 1) + -5(3x - 2) over (5x + 1)^2

Mathematics
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@Mertsj can u help?
@tcarroll010 can u help?
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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Other answers:

okay can u show it?
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.
okay
let me try
so for the first i got 15x + 3
That is good so far. So continue.
ok so i gto 15x + 3 + -5x + 10 what do i do next?
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.
okay
so its 15x + 10 right?
You have -5 times 3x There is a negative sign involved. Always check your signs.
so -15x + 10
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.
ok so -15x and 15x will cancel and we will combine 10 and 3 to get 13 :)
You got it! Great job! :-)
thanks!
uw! Thanks for the recognition! Good luck in all of your studies! @onegirl

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