Math, asked by dass87055, 8 months ago

what should be added to (1+2x-3x^2) to get (x^2-x-1)

Answers

Answered by kartikghorai84

2

Answer:

1+2x-3x^2+? =x^2-x-1

? =x^2-x-1-1-2x+3x^2

? =4x^2-3x-2

Answered by gangwarshivangi04

1

Answer:

-3x^2+2x+1+c=x^2-x-1

c=4x^2-3x-2

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