Natz0213
Essay: Show all work. Find the following quotient: 25x^2-100y^2/5x+10y
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rickjbr
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Difference of 2 squares in the numerator, can you factor those?
Natz0213
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what do you mean
rickjbr
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\[a^2-b^2=(a-b)(a+b)\]
rickjbr
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look familiar?
Natz0213
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yes but i never know how to plug the numbers in
rickjbr
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what is\[\sqrt{25x^2}\]
Natz0213
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5x^2
rickjbr
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close
rickjbr
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what is\[\sqrt{x^2}\]
Natz0213
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x^1.41
rickjbr
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\[\sqrt{x^2}=x\]
dgo
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can you explain that rick? and then retrice natz the original question?
dgo
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weird bug, ask natz*
Natz0213
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huh dgo
dgo
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i typed a s s k i think
dgo
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anyhow I am wondering what you are taking away from all the answers youve been getting. are you learning how to do this stuff?
Natz0213
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yes i have learned a lot from this website i just have a hard time grasping it .It takes me to learn it mre than once before i got it all the way
adrigonzalez304
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your answer is 5x-10y
use difference of squares to simplify into:
\[(5x+10y)(5x-10y)\div(5x+10y)\]
(5x+10y) crosses out from the equation because \[(5x+10y)\div(5x+10y)=1\]
so you are left with 5x-10y
dleather25
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same for me natz haha ive learned a lot from this website, just takes me so long
Natz0213
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it is just math is my worst subject
Natz0213
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addrigonzalez is that the whole problem
dgo
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do you understand adri's answer?
adrigonzalez304
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it should be, you are looking for a quotient, right? so if 6 is divided by 3, the quotient is 2
Natz0213
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yes they cross out eachother
dleather25
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i love math, we are on derivatives in college and i just dont understand my foreign teacher or whay we even need derivatives in the first place
dleather25
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derivatives are unnessecary