Math, asked by paramubalu1988, 1 day ago

what must be added to 1-2x+3x² to obtain 3+ 5x -7x²?

Answers

Answered by solankikailasbenkail

0

Answer:

Required expression

=6x2+7−(5x3+3x2−2x+1)

=6x2+7−5x3−3x2+2x−1

=−5x3+3x2+2x+6

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