Factor : x³-343 (show steps)

Since both terms are perfect cubes, factor using the difference of cubes formula, formula,

a

3

−

b

3

=

(

a

−

b

)

(

a

2

+

a

b

+

b

2

)

a

3

-

b

3

=

(

a

-

b

)

(

a

2

+

a

b

+

b

2

)

where

a

=

x

a

=

x

and

b

=

7

b

=

7

.

(

x

−

7

)

(

x

2

+

7

x

+

49

)

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total

i think there was a typo. you wrote pat brings 3 quarts of ice-cream to the party. each serving of ice-cream is 1 6 quart. how many total servings of ice-cream does pat bring to the party? i think the bold is supposed to be 1/6. so 1 quart of ice cream = 6 servings. 6 * 3 = 18.