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Solve the inequality $|x - 3| > 2|x + 1|$ and determine all values of $x$.
Mathematics 9709 · AS & A Level · Algebra
Algebra — practice question
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “State or imply the non-modular inequality $(x-3)^2 > (2x+1)^2$, or an equivalent quadratic relation, or the pair of linear equations $(x-3)=\pm(2x+1)$” …
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