Give answer correct upto 3 significant figures Share with your friends Share 0 Josepaul Paulachan answered this Dear Student,x-12 -3x+4 =0 using the identity :(a-b)2 =a2+b2-2abNow, x-12 -3x+4 =0⇒x2 +1-2x-3x+4 =0⇒x2 -5x+5 = 0Comparing it with ax2 + bx + c = 0; we geta = 1; b = -5; c = 5By quadratic formula : x =-b±b2-4ac2a⇒x =--5±-52 -4×1×52×1⇒x = 5±25-202⇒x =5±52⇒x =5+52 or x =5-52⇒x =3.618 or x =1.382Regards -1 View Full Answer Tejaswini J answered this Dear student, Given : (x – 1)2 – 3x + 4 = 0 Regards. 2