radomes.openskiesproject.org
Ayeesha Ayeesha
  • 10-01-2017
  • Mathematics
Answered

25x^2+40x+16=28




Ansa ASAP

Verified Answer :

Hi4801824552
Hi4801824552 Hi4801824552
  • 10-01-2017

Solution:

  1. Move all terms to one side
    25{x}^{2}+40x+16-28=0
  1. Simplify 25{x}^{2}+40x+16-28 to 25x​2​​+40x−12
    25{x}^{2}+40x-12=0
  1. Apply the Quadratic Formulax=\frac{-40+20\sqrt{7}}{50},\frac{-40-20\sqrt{7}}{50}

  1. Simplify solutions
    x=-\frac{2(2-\sqrt{7})}{5},-\frac{2(2+\sqrt{7})}{5}

Done!

Answer Link

Related Questions

what items are expressed in the subjunctive
In 1750 where would you most likely hear a traditional African song celebrating the birth of a new baby warehouse in Philadelphia restaurant in New York City pl
can you define an endpoint of a plane
Find the ratio in simplest form 306 51 015 41
Which of the following would most likely help scientists conclude that kidney disease can result from not drinking enoughwaterO inventing a new machine that hel
Proper nouns indicate a person place or thing
Which author wrote about the frustration some women in the 1950s and 60s experienced with the traditional role of women A Rosa Parks B Eleanor Roosevelt C Betty
does mars have dirt or gravel
Can measurment be used with gcf
what is the way of water throught the digestive tract