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Firstly we need to realise that equation 1 (x^2 + y^2 = 9) does not factorise. So once realising this, we must rearrange equation 2 (x + y = 2) so that y = 2 - x. Now we substitute (y = 2 - x) into equati...

(x-5) (x-2)

The theme of evil is the undercurrent to ‘Othello’, and explores what it means to be human and what drives human behaviour. It is often convincingly argued that Iago is the personification of this emotion...

area= width x lengtharea= (x+5) x (x+3)area= (x+5)(x+3)area= x² +8x+15

(x(x-2) + 7(x+4) )/ (x+4)(x-2) = 1x(x-2) + 7(x+4) = (x+4)(x-2)x^2 -2x +7x +28 = x^2 -2x +4x -8x^2 +5x +28 = x^2 +2x -83x +36 = 03x = -36x x= -12