Math, asked by jaykantray1980, 4 hours ago

What should be added to 7r - 5x + 1 to get -3r-47-72​

Answers

Answered by Sankarijanahiraman
0

Answer:

Let the value y be added to 7x2−5x+1 to give 3x2+4x+7

y=3x2+4x+7−(7x2−5x+1)

=3x2+4x+7−7x2+5x−1

=−4x2+9x+6

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