Anonym
Anonym
23-07-2014
Mathematics
Answered
Solve by completing the square
x^2-2x-5=0
Answer :
konrad509
konrad509
23-07-2014
[tex] x^2-2x-5=0 \\ x^2-2x+1-6=0\\ (x-1)^2=6\\ x-1=\sqrt6 \vee x-1=-\sqrt6\\ x=1+\sqrt6 \vee x=1-\sqrt6 [/tex]
Answer Link
VIEW ALL ANSWERS ( 88+ )
Other Questions
When General Tojo Hideki came to power in Japan, he warned America to remain neutral in the war. True False
Why is Roosevelt's speech so memorable? (5 points) He emphasizes certain words and phrases It compared Americans to an army He used logic rather than emotion It
David says that for any fraction there unlimited number of equivalent fractions? Is he correct? why?
Which is the best definition of wind? A. the vertical movement of air B. the horizontal movement of air C. the westerly movement of air above the Earth's sur
The movie theater has 250 seats. 225 seats were sold for the current showing. What percent are empty?
joel has 24 sports trophies. of the trophies, 1/8 are soccer trophies. how many soccer trophies does joel have?
why were the mestizos important in Mexico's fight for independence
Two dimes is what fraction of a dollar?
~Need help as soon as possible, thank you!~ (multiple questions) **please only answer if you know for sure** If y is directly proportional with x and y = 36 whe
which answer is correctly punctuated? (a) Mexico has rigid social, classes. (b) Mexico has rigid, social classes. (c) Mexico has, rigid social classes. (d) Mexi