Question 31285
y=X^2+2X-2
y=3X+4, so, X^2+2X-2 = 3X+4
        then, x^2+2x-2-3x-4=0
              x^2-x-2=o
              (x-2)(x+1) = 0 ;t/f, x is 2 or -1.