03-07-2014
Mathematics

Answered

Solve the quadratic by factoring 2X²-2X-12=0

Answer :

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

Other Questions

Push factors or Pull factors 1 Natural disasters 2 Religious persecution 3 Poor economic conditions

Imagine you are a driver the driver went to England during the 13 hours of travel and aircraft to fly using indonesia with a time of 2 hours how old is the driv

What gives the Grand Canyon its colors A Rainstorms give the walls their reds yellows and greens B The minerals in the rocks turn the walls different colors C S

Conception occurs when a cell from the father a cell from the mother

How do u solve 13 59 8 16

can someone plz help me What is the lateral area of the rectangular prism Assume the prism is resting on its base A 504 in2 B 396 in2 C 312 in2 D 90 in2

what percent of 96 24

your friend spends all his free time watching t v 1what problems this lead to 2other usefull activities than watching tv

Choose EITHER Judaism OR Hinduism and describe its origin major principles and how it affected existing laws social practices or culture Also describe whether a

Whats 78x45 Cmon peeps its hard