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

Which of the following could be an example of a function with a domain [a, infinity) and a range [b, infinity) where a >0 and b>0? Answer choices: A)f(x)=

Use the graph of the exponential growth function f(x) = a(2x) to determine which statement is true. f(0) = 2 when a = . f(0) = 3 when a = 3. f(1) = 9 when a =

Uric acid results from the metabolism of _____ _____.

Will adding 3 different prime numbers result in a prime number?

An excess of the neurotransmitter _____ has long been associated with schizophrenia.

How long a 21 cm tall candle can burn for?

When kristen began to smoke, she only had 3-5 cigarettes. now, for her to feel in control during the day, she has to smoke 18 cigarettes. what is she experienci

A sailboat traveled 60.15 kilometers up a river in 7.5 hours. What was the average distance per hour?

Responding to a craving with a healthful habit can help break the addiction cycle

Which polynomial is the product of (2x+3) and (3x+1)?