Question

# Use polynomial identities to multiply the expressions;

## The correct answer is: Hence, the answer is: 729.

### ANSWER:

Hint:

Let a and b be any real number, variables or multiples of the both, then we have: .

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

Step 1 of 2:

The given expression is .

Here, .

Use the identity for the expression

Step 2 of 2:

Now, substitute the value in the equation to get the value of :

.

=729

Hence, the answer is:729 .

Note:

Polynomial identities are used to reduce the time and space while you solve higher degree polynomial expressions.

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