kaitlinfrasier kaitlinfrasier

03-10-2020
Mathematics

contestada

(9x-9)(9×+9), your finding the difference between two squares. im have some trouble in how to solve it.

Respuesta :

03-10-2020

Answer:

81x² - 81

Step-by-step explanation:

Step 1: Write expression

(9x - 9)(9x + 9)

Step 2: Expand by FOIL

81x² + 81x - 81x - 81

Step 3: Combine like terms

81x² - 81

Answer Link

Otras preguntas

Where is the moon? I’m graduated so my points are up for grabs cause I’ll never use them. I have to at least as a question with it though.

At the market, almonds cost $0.51 per ounce. How much does a bag of almonds cost if it weighs 1.6 ounces?

Which decimal below is equivalent to 5/9?

- Briefly describe how you would prepare a simple acid base indicator.

Right triangle abc is on a coordinate plane. segment ab is on the line y = 2 and is 6 units long. point c is on the line x = −3. if the area of δabc is 6 square

solve this equation Thank you!!

Right triangle abc is on a coordinate plane. segment ab is on the line y = 2 and is 6 units long. point c is on the line x = −3. if the area of δabc is 6 square

Which of these statements is true: 1) It is not uncommon for most of the people in the top 5 percent of income-earners to be 45 years old and up. 2) Three-quar

How are you feeling today

What is the formula of Sodium Sulfide? A) Na3S₂ B) NaS₂ C) Na₂S D) Nas