Question

factorise 8 x cube + 343 ​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

8x³ + 343

(2x)³ + (7)³

We kow that , (a)³ + (b)³ = ( a + b ) ( a² + b² - ab )

( 2x + 7 ) { (2x)² + 7² - 2x*7 }

( 2x + 7 ) ( 4x² + 49 - 14x )