babiemelll babiemelll

14-01-2021
Mathematics

contestada

factor : x³-343 (show steps)

Respuesta :

ilikewaffles77 ilikewaffles77

14-01-2021

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

)

Answer Link

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