Math, asked by Laasanijain, 1 year ago

factorise using factor theorem y^3 - 7 x + 6​

Answers

Answered by kaushalinspire
1

Answer:

Step-by-step explanation:

y^3-7y+6=(y^3-y^2)+(y^2-7y+6)\\\\

Factorising each bracket, we have

=y^3-7y+6\\\\=(y^3-y^2)+(y^2-7y+6)\\=y^2(y-1)+(y-1)(y-6)\\=(y-1)(y^2+y-6)\\=(y-1)(y-2)(y+3)\\\\

Similar questions