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2025 IGCSE 0580 May/June P23 Q9
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2025 IGCSE 0580 May/June P23 Q9
5 marks
Solve.
\(5x^2=12-17x\)
[4]
\(ax^2+a=b\) where \(a\) and \(b\) are integers.
One solution of this equation is \(x=6\).
Write down the other solution.
[1]
Solution:
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Answer:
(a) \(x=\dfrac35\) or \(x=-4\). (b) \(x=-6\).
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