Question

what should added to 1+2x-3x2 to get x2-x-1

Answer 1

HEY.......
HERE IS U R ANSWER
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LET IT BE Y
SO, Y + (1+2x -3x2) = x2 - x - 1
Y = x2- x - 1 - 1 -2x + 3x2
Y = 4x2 -3x - 2


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HOPE IT WILL HELP YOU A LOT....
THANKU.....

Answer 2

Answer:

Step-by-step explanation:

1+2x-3x2=x2-x-1

1+2x-3x - x2-x-1

= 4x2-3x-2