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General

Easy

Question

# Use polynomial identities to multiply the expressions ?

## The correct answer is: There are some basic polynomial identities that you need to by heart.

### , where x and a can be real values, variables or multiples of both.

We are asked to use identities to multiply the given expression.

Step 1 of 2:

The given expression is . It can be written as:

. It is of the form .

Step 2 of 2:

Apply the identity to get the product of the expression:

Note:

We use identities to speed up the process of multiplication and simplification. There are some basic polynomial identities that you need to by heart.

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