Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

taranicolee

  • 2 years ago

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?

  • This Question is Closed
  1. anonymous
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    "foil" first order 'o operations say exponents first, multiplication second

  2. anonymous
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    \[2(5x-4)(5x-4)\]in other words

  3. taranicolee
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so i would take (10x^2-20x-20x+16) and multiply it by two to get 20x^2+80x+32?

  4. anonymous
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes, except that that is not correct

  5. anonymous
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    the first term is wrong since \(5x\times 5x=25x^2\) and not \(10x^2\)

  6. taranicolee
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    hahah oooops. 5 x 5 is 25....

  7. taranicolee
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yeah hahah. ooopsie. but thank you so much!!

  8. anonymous
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    also the middle term should be \(-80x\) not \(+80x\)

  9. taranicolee
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thank you! ((:

  10. anonymous
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yw

  11. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy