# PSAT Math : How to use FOIL with Exponents

## Example Questions

### Example Question #3251 : Sat Mathematics

If , which of the following could be the value of ?      Explanation: Take the square root of both sides.  Add 3 to both sides of each equation.  ### Example Question #2 : Exponents And The Distributive Property

Simplify:       Explanation: = x3y3z3 + x2y + x0y0 + x2y

x3y3z3 + x2y + 1 + x2y

x3y3z3 + 2x2y + 1

### Example Question #1 : Exponents And The Distributive Property       Explanation:

Use the FOIL method to find the product.  Remember to add the exponents when multiplying. First: Outside: Inside: Last:   ### Example Question #4 : Exponents And The Distributive Property

Square the binomial.       Explanation:  We will need to FOIL.

First: Inside: Outside: Last: Sum all of the terms and simplify.  ### Example Question #121 : Exponents

Which of the following is equivalent to 4c(3d)– 8c3d + 2(cd)4?

2cd(54d2 – 4c+ c* d3)

2(54d– 4c+ 2c* d3)

cd(54c * d– 4c+ c* d2) 