anonymous
  • anonymous
can someone answer this quick question, i am having a brain bubble.... for 2(5x-4)^2 would you foil 5x-4 thennn multiply it by 2 or should i multiply thennn foil?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
"foil" first order 'o operations say exponents first, multiplication second
anonymous
  • anonymous
\[2(5x-4)(5x-4)\]in other words
anonymous
  • anonymous
so i would take (10x^2-20x-20x+16) and multiply it by two to get 20x^2+80x+32?

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anonymous
  • anonymous
yes, except that that is not correct
anonymous
  • anonymous
the first term is wrong since \(5x\times 5x=25x^2\) and not \(10x^2\)
anonymous
  • anonymous
hahah oooops. 5 x 5 is 25....
anonymous
  • anonymous
yeah hahah. ooopsie. but thank you so much!!
anonymous
  • anonymous
also the middle term should be \(-80x\) not \(+80x\)
anonymous
  • anonymous
thank you! ((:
anonymous
  • anonymous
yw

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