Math, asked by amitgupta3130, 1 month ago

Factorise : 2x3 - X? - 78 +2

Answers

Answered by skumari62529

1

Answer:

given, 2x3+x2−2x−1

=x2(2x+1)−1(2x+1)

=(x2−1)(2x+1)

=(x+1)(x−1)(2x+1)

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