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When you multiply two numbers that are the same with different exponents, the number can remain the same and the exponents are added. That is an exponents rule. This means that the answer is p^7

A fraction is simply a different way to write a division sum. I.e a \divide b = a/b.

This also applies if the two numbers we're dividing are fractions themselves:

a/b \divide c/d = (a/b) / (...

(x + 7)*(x - 7)

Notice difference of two squares. Very important to learn square numbers, primes and multiples and be able to notice them.

There are no shared members of either set. Sets A and B are mutually exclusive (odds and evens.) i.e. A intersect B has no members and is empty.

Using the equation of a straight line: y = mx + c (c is the y axis intercept, m is the gradient and y and x are points on the line (x,y))

e.g. if the gradient of the line was 3 and the line passes ...