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Proving Polynomial Identities

Proving Polynomial Identities 1.13 - Solution

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a
Here is a parentheses which has been raised by We can expand it, using the square of a binomial.
Simplify
Simplify power and product
b
Looking at the first term, we can use the difference of squares. First, let us rearrange the order of the parentheses.
Simplify
c
Now we use both the difference of squares and the squared binomials.
Simplify
Simplify power and product