Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Trending News

Promoted
Learner
Lv 7
Learner asked in Science & MathematicsMathematics · 5 years ago

(1 + 7x)*(1 - 7x) [Application of a^2 - b^2 = (a + b)*(a - b)]?

Update:

I could not understand how this question has come in my name: may be due to some wrong operations with the android mobile. I don't know how to delete this question. Request no one need to answer.

6 Answers

Relevance
  • ?
    Lv 7
    5 years ago
    Favorite Answer

    = 1-49x²

    Blame it on quantum fluctuations in electronics. The same reason my wife's iPhone butt dials. [smile]

  • cidyah
    Lv 7
    5 years ago

    1^2 - (7x)^2 = 1 - 49x^2

  • Gurmehar
    5 years ago

    (1+7x)(1-7x)= (1)^2 - (7x)^2

    =1 - 49x^2

  • ?
    4 years ago

    1

    Source(s): Ultimate Attraction Guide http://emuy.info/GetEveryGirlEasily/?hLo9
  • How do you think about the answers? You can sign in to vote the answer.
  • Brainard
    Lv 7
    5 years ago

    (1 + 7x)*(1 - 7x)

    = (1)(1) - 7x + 7x + (-7x)(7x)

    = 1 - 49x^2

  • Como
    Lv 7
    5 years ago

    1 - 49 x²

Still have questions? Get your answers by asking now.