anonymous
  • anonymous
I need help understanding somethin pls help Ok, so when you have a fraction like this -(-3/-5), does it turn into -(3/5)?
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Because someone told me that when there are negative signs in a parenthesis it turns positive
calculusxy
  • calculusxy
do you mean: \(\huge-(\frac{-3}{-5})\)
anonymous
  • anonymous
yes

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calculusxy
  • calculusxy
since the numerator is a negative and the denominator is also negative remember the rule: \(\huge - \div - = +\) so \(-3 \div -5\) is no exception. so this will be \(\large -(\frac{3}{5})\). Since the negative applies to the whole fraction (since it's in parenthesis), it will be \(\large -\frac{3}{5}\) .
anonymous
  • anonymous
Ok thanks for explaining, I have another question, how does -(-3/5) turn into only 3/5? Isn't it the same rule? Like when there any negatives in the parenthesis it turns into a positive?
calculusxy
  • calculusxy
well: \(\huge - \times - = +\) it basically like you have \(\large -1 \times -\frac{3}{5} = \frac{3}{5}\)
anonymous
  • anonymous
uh still don't get it
skullpatrol
  • skullpatrol
think of -a meaning the "opposite" of a then -(-a) = a
skullpatrol
  • skullpatrol
-2 is the opposite of 2 so -(-2) = 2 the opposite of the opposite of 2 is 2
calculusxy
  • calculusxy
usually in front of parenthesis you would have a 1 (well that's how i think of it). if we think of this in this problem we would have: \(\huge \color{red}{-1}(-\frac{3}{5})\) how would you evaluate this?
anonymous
  • anonymous
um
anonymous
  • anonymous
-1(3/5)?
anonymous
  • anonymous
hello?
skullpatrol
  • skullpatrol
yes :-)
skullpatrol
  • skullpatrol
$$\Huge -a=-1a$$
anonymous
  • anonymous
so uh it would be -(3/5)?
skullpatrol
  • skullpatrol
what is the opposite of 3/5?
anonymous
  • anonymous
-3/5
skullpatrol
  • skullpatrol
that is the simplified answer :D
anonymous
  • anonymous
uh thank you
skullpatrol
  • skullpatrol
Thanks for trying to learn :-)
anonymous
  • anonymous
you can leave now I don't need any help right now ^_^

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