1.

Factorise the trinomials : 2x² + 5x - 18 x² - 10x + 21

Answer»

2x² + 5x - 18x² - 10X + 21

=> -16x² - 5x + 21

=> -16x² - 21X + 16x + 21

=> -x( 16x - 21 ) + ( 16x + 21 )

=> ( 16x + 21 ) ( - x + 1 )

=> ( 16x + 21 ) ( 1 - x )





.



Discussion

No Comment Found

Related InterviewSolutions