Math, asked by 9588122682, 1 year ago

Factories this term correctly y³-7y+6

Answers

Answered by abhi569
2
y³ - 7y + 6

=> y³ - y² + y² - 7y + 6

=> y²( y - 1 ) + y² - 6y - y + 6


=> y²( y - 1 ) + y( y - 6 ) - ( y - 6 )


=> y²( y - 1 ) + ( y - 6 ) ( y - 1 )


=> ( y - 1 ) ( y² + y - 6 )

=> ( y - 1 ) ( y² + 3y - 2y - 6 )

=> ( y - 1 ) [ y( y + 3 ) - 2( y + 3 )]

=> ( y - 1 ) ( y + 3 ) ( y - 2 )





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