Solve 5x2−k=05x^2-k=05x2−k=0, where k k\,k is a positive constant.
Give your answers in terms of kkk.
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Markscheme
Factorising Harder Quadratics Questions
223 exam-style questions on Eduqas GCSE Maths Factorising Harder Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.