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Factorise the following expression: x^2-1
(x+1)(x-1)
Answered by Nelson T. •
Maths tutor
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Solve 10(x + 2) – (2x – 9) = 30
f(x) = 3x - 2a || g(x) = 2ax + 1 || fg(x) = 2x + b/2
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