Expand the following expression and simplify: (3x+2)(4x+5)
12x2 + 15x + 8x + 10 = 12x2 + 23x + 10
PD
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Write 7.264 51 correct to 3 decimal places.
There are 895 litres of petrol in Mr Turners petrol tank, he uses 19.7 litres of petrol a day. Estimate the number of days it will take him to use all the petrol in the tank.
Make x the subject of the equation. 7xy+6 = 18x+3y+7