<ol class="abc-list"><li data-list-item-id="item-a" data-list-item-path="item-a"><div class="list-item-paragraph">Factorise completely \(25x^2 - 49\).<span class="inline-marks">[1]</span></div></li><li data-list-item-id="item-1783661072917-j128gr6x4" data-list-item-path="item-1783661072917-j128gr6x4"><div class="list-item-paragraph">Hence factorise completely \(25(9x^2 - 6x + 1) - 49\).<span class="inline-marks">[3]</span></div></li></ol>

Hence factorise completely \(25(9x^2 - 6x + 1) - 49\).

Polynomials, Cubic Equations and Partial Fractions - Factorisation by Special Identities

Polynomials, Cubic Equations and Partial Fractions - Factorisation by Special Identities