3/y-1/4=1y

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3 times 4/4y - 1 times 3/4y = 1yor, 12/4y - y/4y = yor, (12-y)/4y=yor, 12-y = 4y^2or, 4y^2 + y - 12 = 0and u cant factorise. use the formula, y = - 1 +- √(1 - ( - 12 x 4 x 4 ) / 8 y= (-1 +- √193 )/8y= (-1 + √193)/8 or ( -1 - √193)/8there u go, tough question.