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Solve x^2 - 7x + 10 = 0

First factorise: (x - 2)(x - 5) = 0

Then either: x - 2 = 0   so x = 2

            or   x - 5 = 0   so x = 5

Aran D. 13 plus  Maths tutor, A Level Maths tutor, GCSE Maths tutor, ...

3 months ago

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