Math, asked by AyushSignhh5403, 1 year ago

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

Answers

Answered by abhi569
0
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 )





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