Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

Solve each of the following equations:
(a) #4x^2 - x - 1/2 = 0 #
(b) #x + 20/x = 9#
(c) #16x+24+2x^2 = 0 #
(d) #1/4 -1/9 x^2 = 0#