Hi

21y^2 + 2y -3 = 0 

+2 and -3...factors will involve a plus minus situation

And...most likely 7 and 3 to obtain 21

(7y+3)(3y-1) = 0   By habit I put the 'plus' in the first factor

F	First terms (7y)(3y)

O	Outside terms  -7y

I	Inside terms    9y

L	Last terms      -3

 

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
 That's not an equation.

I can tell, there's no equal sign.

--------

And, equations are solved, not factored.

o/w OK. 

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