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

How many transgender people serve in us military?

Find the area of each regular polygon. Round your answer to the nearest tenth. Show your work. a. Octagon with side lengths 5in. b. Hexagon with radius 5in

The legs of a right triangle are lengths x and x and square root 3. The cosine of the smallest angle of the angle is what

Nicotine ultimately stimulates __________, which are implicated in the reinforcing effects of smoking. muscarinic receptors dopamine receptors gaba receptors se

Texas state highways are indicated with a: A . Blue and red shield B.blue pentagon with yellow text C.green shield D.white silhouette of Texas

(02.08 HC)Apply the principles of training to personal fitness goals. Your friend is working on lower body and has been doing one set of 8 bodyweight squats ea

A pineapple has 9 grams of sugar per slice. A watermelon has 18 grams of sugar per slice. Which statement is true?

Given f(x) and g(x) = f(x) + k, look at the graph below and determine the value of k. k = _______ Graph of f of x and g of x. f of x equals 1 over 3 x minus 3

Which tool will help you replace overused words in a text? (5 points) Dictionary Spell check Thesaurus Wikipedia

Solve the equation using zero-product property