All ACT Math Resources
Example Questions
Example Question #41 : Distributive Property
Use the distributive property to FOIL.
Example Question #42 : Distributive Property
FOIL using the distributive property.
Example Question #43 : Distributive Property
Use the distributive property to FOIL.
Simplify.
Example Question #44 : Distributive Property
Use FOIL to expand
To FOIL, simply multiply each term by each term in the other parenthesis. Thus,
Example Question #45 : Foil
FOIL the following:
To FOIL, remember the acronym. F-first, O-outside, I-inside, L-last.
Thus, perform the following multiplication.
Firsts:
Outside:
Inside:
Lasts:
Gathering like terms results in the final equation.
Example Question #2631 : Act Math
What is ?
The simple formula for difference of two squares is:
.
To see this, you can also FOIL out
Multiplying the first terms, outer terms, inner terms, and last terms results in the following.
Gathering like terms the x's cancel out.
Example Question #47 : Foil
What is ?
Diffference of two squares formula,
Note that , negative cancels out.
You can also FOIL:
Multiplying the first terms, outer terms, inner terms, and last terms results in the following.
Example Question #45 : Distributive Property
Multiply the complex numbers:
.
Expanding out gives .
We know that so when we substitute that in we get .
Example Question #46 : Distributive Property
Solve for .
To solve this equation, first distribute on the right side of the equation.
Then, subtract from both sides.
Then divide both sides by .
Another method for solving this problem is to plug in the answer choices and solve.
Example Question #47 : Distributive Property
FOIL by using the distributive property.
Now, simplify.