Question

(7x⁵-7x⁴-140x³) factorise​

Answer 1

Answer:

7x⁵ - 7x⁴ - 140x³

= 7(x⁵ - x⁴ - 20x³)

= 7x³ ( x² - x - 20 )

= 7x³( x² - 5x + 4x - 20)

= 7x³ ( x² - 5x )( 4x - 20)

= 7x³ [ x ( x - 5 )] [ 4 ( x - 5 ) ]

= 7x³ ( x + 4 ) ( x - 5 )

Hope it helps you.

Answer 2

Answer:

See the above attachment.

Hope it helps you.