## Do you multiply with foil?

The FOIL method lets you multiply two binomials in a particular order. You don’t have to multiply binomials by following the FOIL order, but it does make the process easier. The letters in FOIL refer to two terms (one from each of two binomials) multiplied together in a certain order: First, Outer, Inner, and Last.

## Can you foil with square roots?

Multiply Square Roots. The distributive property can be used to multiply radical expressions. To multiply two binomials with square root terms, each term in the first binomial must be multiplied by each term in the second binomial. This can be accomplished using the FOIL method.

**How do you multiply radical expressions with the same indices?**

If the radicals have the same index, or no index at all, multiply the numbers under the radical signs and put that number under it’s own radical symbol. Once you’ve multiplied the radicals, simplify your answer by attempting to break it down into a perfect square or cube.

**What are the rules for multiplying radicals?**

To add radicals, the radicand (the number that is under the radical) must be the same for each radical. Subtraction follows the same rules as addition: the radicand must be the same. Multiplication of radicals simply requires that we multiply the term under the radical signs.

### What is the FOIL rule in math?

The FOIL Method is used to multiply binomials. FOIL F O I L is an acronym. The letters stand for First, Outside, Inside, and Last, referring to the order of multiplying terms. You multiply first terms, then outside terms, then inside terms, then last terms, and then combine like terms for your answer.

### What are the rules for radical expressions?

Any exponents in the radicand can have no factors in common with the index. No fractions appear under a radical….Rules of Radicals.

Rules of Radicals If n is a positive integer greater than 1 and both a and b are positive real numbers then, | |
---|---|

2. Product Rule | n√ ab = n√ a · n√ b |