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x 2 + 5x = 5 Make equal to 0. x 2 +5x - 5 = 0 Recognise that you need to use the quadratic equation. (-b ± sqrt(b 2 -4ac))/2 sub in. (-5 ± sqrt(5 2 -4 1 -5))/2 (-5 ± sqrt(45))/2 x = (-5 + 6.7)/2, x = (-5 - 6...

Two's complement is one way negative numbers can be represented in Binary. In Decimal notation, we use a + or - sign to indicate whether it is a postive or negative number respectivly. Two's complement is a ...

As with AVOIR, the passé composé requires an auxillary and a past participle. However, with 'etre' verbs, aside from the obvious change in auxillary, there are irregularities in the passé composé, and we mus...

This can be tricky in timed conditions, but with practice this should be okay! A few top tips to follow include: Use connectives. This is simple to remember, and encourages you to delve as deep into your ana...

Diffusion may be simple, whereby solutes travel through the phospholipids in the cell membrane as they have the same polarity as a lipid or are small enough to do so.Or, diffusion is faciliated and this is w...