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Mathematics
Problem
Categorisation:
Solve a quadratic equation where
x
x
x
appears only once. [Edexcel GCSE June2009-1F Q30a, June2009-3H Q8a]
2
x
2
=
72
2x^2 = 72
2
x
2
=
72
Find a value of
x
x
x
.
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