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Algebra

Quick questions on Algebraic manipulation: expanding, factorising and rearranging - Edexcel GCSE Maths

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Expand and simplify 3(2x+1)−2(x−4)3(2x + 1) - 2(x - 4). [2 marks]
What is q2?
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Factorise fully x2−16x^2 - 16. [1 mark]
What is sign slips when expanding a negative bracket?
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−(x−4)=−x+4-(x - 4) = -x + 4; both signs change.

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