PSAT Math : How to multiply binomials with the distributive property

Example Questions

Example Question #1 : How To Multiply Binomials With The Distributive Property

Decrease  by 40%. Which of the following will this be equal to?

Explanation:

A number decreased by 40% is equivalent to 100% of the number minus 40% of the number. This is taking 60% of the number, or, equivalently, multiplying it by 0.6.

Therefore,  decreased by 40% is 0.6 times this, or

Example Question #13 : Polynomials

Find the product: