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okay so in this video were going to be looking at what i call hidden quadratics or quadratics in disguise so first of all what were asked to do is factorize and solve 3x squared minus 2x minus 1 is equal to 0. so thats what were going to do first now you can use the factorizing method for this im going to go straight in factorize it with brackets so im gonna put the bracket straight in rather so were gonna have a 3x and an x im gonna the only way to get that minus one is for a one and a positive one so if i have the minus one there and a plus one there then im going to get minus 3x plus x makes that minus 2x and so its factorized so you might want to take a little bit more time over that but from that we factorized it and then in order for this to be equal to zero either this bracket is zero or that bracket is zero in which case x is either equal to minus one third so put three x plus one equals to zero and solve that equation or x minus one is zero in which case x is equal t