Expand the following expression and simplify: (3x+2)(4x+5)

12x2 + 15x + 8x + 10 = 12x2 + 23x + 10

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Find the area of the rectangle, in cm, with width 4x and length (y+5). Then calculate the area for x = 7 and y = 8.


LOWER TIER a) Multiply the following out: (x+3)(x-4). b) Factorise the following equation into two bracket form: x^2+7x+12


Work out 2 1/7 + 1 1/4.


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