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A negative externality is a cost that is suffered by a third party as a consequence of an economic transaction. In a transaction, the producer and consumer are the first and second parties, and third part...

¡Hola seguidores! ¿Cómo andas? Hoy voy a hablar de mis vacaciones en España. Me desfruté mucho durante la semana pero tuvo un problema en mi primer día. Dije la dirección incorrecta a la conductora de tax...

Einstein's theory of special relativity postulates two theories; firstly the speed of light is a universal constant, and secondly the laws of physics are the same in all inertial (non-accelerating) refere...

10(x+2) -(2x-9)=30; 10x+20-2x+9=30 paying attention to the sign change when solving the brackets; 8x+29=30; 8x=1 separating in order to find out x; x=1/8

When we factorise, we are trying to put a long expression into a couple of brackets to make it neater and easier to work with. It is the opposite to multiplying out brackets. To start off with, we will fa...