Seudónimo
Seudónimo
03-07-2014
Mathematics
contestada
Solve the quadratic by factoring 2X²-2X-12=0
Respuesta :
konrad509
konrad509
03-07-2014
[tex]2x^2-2x-12=0\\ 2(x^2-x-6)=0\\ 2(x^2-3x+2x-6)=0\\ 2(x(x-3)+2(x-3))=0\\ 2(x+2)(x-3)=0\\ x=-2 \vee x=3[/tex]
Answer Link
Аноним
Аноним
03-07-2014
[tex]2x^2-2x-12=0\\\\2x^2+4x-6x-12=0\\\\2x(x+2)-6(x+2)=0\\\\(x+2)(2x-6)=0\iff x+2=0\ \vee\ 2x-6=0\\\\x=-2\ \vee\ x=3[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 23+ )
Otras preguntas
Interesting facts about the west region
With gastric distention, a horse’s stomach can rupture if treatment is not in time. true faulse
3. The coating on the head of a match is highly flammable. When it burns, it releases a great deal of energy. However, before the match can burn, it must gain a
Apparently, Josiah's purges in Judah were so extensive that they cleansed both the land and the hearts of the people. True False
Which of the following is a long term goal? Identify the opportunity cost in each of the following examples. Select the answer that best completes the sentenc
solve d over r equals t for r
Oxygen is one of the six basic nutrients. True False
3. What relationship existed between subprime mortgages and foreclosures when home prices fell? A.The value of homes remained higher than the mortgage, so fore
When making a citation for your MLA Works Cited page, if no author is listed, you _________________________ should begin with the medium of publication.
Which is an external stimulus? heat pain hunger thirst
