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To solve these simultaneous equations, you must add/subtract both equatons from each other to eliminate one variable, allowing you to work out the value of the other.

As you can see from ...

To find the derivative, you look at each term and multiply the constant in front of the x by the power of x. Also you must lower the power of x by one after this step. 

So 5x³ ...

Firstly, you can see from the equation that each bracket must contain an x since these multiply together to give the x^2. So you get (x..)(x..)

Next, to obtain the last number o...

The social learning theory is a concept that tries to explain human aggressive through direct observation and imitation for example if a child saw their parent act aggressively towards another person t...

Schema-a schema is a mental representation of an aspect of the world. Stereotype is a word often used instead of schema. For example if I asked you to write down all the words you woul...