Quadratics and Cubics, SMB-035 Using the quadratic formula, solve `3x^2-4x-2 = 0`. (3 marks) --- 6 WORK AREA LINES (style=lined) --- Show Answers Only `(2 +- sqrt(10) )/3` Show Worked Solution `3x^2-4x-2 = 0` `text(Using)\ x = (-b +- sqrt( b^2-4ac) )/(2a)` `x` `= (4 +- sqrt{(-4)^2-4 xx 3 xx(-2) })/ (2 xx 3)` `= (4 +- sqrt(16+24) )/6` `= (4 +- sqrt(40) )/6` `= (4 +- 2sqrt(10) )/6` `= (2 +- sqrt(10) )/3`