Factorise the following expression using identity Share with your friends Share 0 Sucheta Priyadarsini Sahu answered this Dear Student, 4x2 - 25y2⇒2x2 - 5y2 ⇒2x + 5y(2x-5y) as a2-b2 = (a-b)(a+b) Regards, 0 View Full Answer