find the positive root of 3x2 + 6= 81 Share with your friends Share 1 Varun.Rawat answered this 3x2 + 6 = 81⇒3x2 = 81 - 6⇒3x2 = 75⇒x2 = 25⇒x = 5 or x = -5So, the positive root is x = 5 0 View Full Answer The Mykey Siddharth answered this 3x2 + 6 = 81 3x2 = 81 - 6 3x2 = 75 x2 = 25 x = 5 Hope it helps ..!! 3 Parvathyrs answered this 3x2+6 = 81 3x2= 75 x2 = 25 ie,x = 5 3
