anonymous
  • anonymous
Choose the correct simplification of the expression (−2x + 4y)(3x − 7y). −6x^2 − 2xy − 28y^2 6x^2 + 26xy − 28y^2 −6x^2 + 26xy + 28y^2 −6x^2 + 26xy − 28y^2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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skullpatrol
  • skullpatrol
Any ideas?
skullpatrol
  • skullpatrol
What have you tried?
anonymous
  • anonymous
i have no idea. and i jus went through something big so my mind isnt even on math right now.

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skullpatrol
  • skullpatrol
Have you heard of the FOIL method?
anonymous
  • anonymous
no sorry
skullpatrol
  • skullpatrol
What grade/age level are you?
anonymous
  • anonymous
16/10
skullpatrol
  • skullpatrol
Anyway FOIL is a way to remember how to do these type of questions.
skullpatrol
  • skullpatrol
|dw:1359665572616:dw|
skullpatrol
  • skullpatrol
|dw:1359665830805:dw|
skullpatrol
  • skullpatrol
@mikaa_toxica13 Are you still there?
anonymous
  • anonymous
yes sorry. im having some family drama right now.
skullpatrol
  • skullpatrol
I'm sorry to hear that, but I'm trying to teach you the FOIL method. Please stop me and ask any questions.
skullpatrol
  • skullpatrol
Each letter in the word FOIL stands for one step in the method.
anonymous
  • anonymous
okay no problem.
skullpatrol
  • skullpatrol
I just showed what the "F" in FOIL means. Did you follow that?
anonymous
  • anonymous
i think so
skullpatrol
  • skullpatrol
Are you unsure at all?
anonymous
  • anonymous
not too sure what a binomial is
anonymous
  • anonymous
i have to get off for a few minutes. but u can continue to explain and i will write back when im back online. if u want.
skullpatrol
  • skullpatrol
The word "binomial" comes from the two parts: "bi" which means two because it has two terms like (a +b) and "nomial" which means name or just term.
skullpatrol
  • skullpatrol
(−2x + 4y)(3x − 7y) multiply the First terms of the binomials (-2x)(3x) = -6x^2
skullpatrol
  • skullpatrol
(-2x + 4y) is a binomial and (3x -7y) is a binomial, so the FOIL method works when you are multiplying two binomials. Recall each of -2x, 4y, 3x, and -7y are called terms, right?
skullpatrol
  • skullpatrol
|dw:1359668344081:dw|
skullpatrol
  • skullpatrol
|dw:1359668671831:dw|
skullpatrol
  • skullpatrol
multiply the first term of each binomial by the last term of the other and add these products: "O" stands for Outer terms and "I" stands for inner terms
skullpatrol
  • skullpatrol
The last letter in the word "FOIL" is L and it stands for multiply the Last terms of the binomials.
skullpatrol
  • skullpatrol
|dw:1359669193650:dw|
skullpatrol
  • skullpatrol
You can put all the letters together and get the answer now. Good luck with your studies.

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