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With all necessary working shown, solve the equation $4x - 11x^2 + 6 = 0$.
Mathematics 9709 · AS & A Level · Quadratics
Quadratics — practice question
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “An attempt to solve for $x^4$ or by using the substitution $u=x^2$; for instance, $(4x^2-3)(x^2-2)=0$ or any equivalent approach” …
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