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OpenStudy (laddiusmaximus):
3x^2+4x-15 solve for x
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OpenStudy (laddiusmaximus):
I have to set it to 0, but im not doing something right
OpenStudy (hexagon001):
factorise the equation
OpenStudy (anonymous):
May u show your work in order to know which part u made the wrong move ?
OpenStudy (hexagon001):
factorise the equation. then set brackets to =0 and then you can solve for x
OpenStudy (laddiusmaximus):
ok I set it to 0 which gives me 3x^2+4x-15=0
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OpenStudy (hexagon001):
now factorise the equation
OpenStudy (laddiusmaximus):
factor out x?
OpenStudy (hexagon001):
no factorise as in split up so it is in 2 brackets. ( )( )=0
OpenStudy (hexagon001):
i'll give you clue |dw:1363996057873:dw|
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