Tuesday 4 July 2017

ALGEBRA 4


Expand (2x + 7)(x2 - 2).

Solution

= (2x + 7)(x2 - 2)

= x2(2x + 7)-2(2x + 7)

= 2x3 +7x2 - 4x - 14

= 2x3 +7x2 - 4x – 14 Answer 

 TRY THIS……………


Expand (6x + 5)(x2 - 3)

No comments:

Post a Comment