humperderp

Doi! I was just stuck in the mindset that you have to treat the numerator and denominator equally when canceling out - that doesn't apply when factoring out of the expressions of course. Thank you ...

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Thanks for your reply, and apologies if I'm just being slow here, but if you factor out 2 from x(4x - 4) wouldn't that equate to 2x(2x - 2)?

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