Math, asked by amssre137960, 2 months ago

which algebric expression should be added to

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Answers

Answered by sharmasaksham8135

0

Answer:

g12345678901234567890

Answered by symistry143

2

Answer:

${3x}^{2} +10xy - {4y}^{2}$

Step-by-step explanation:

${5x }^{2} + 3xy - {y}^{2} \\ {2x}^{2} - 7xy + {3y}^{2}$

by changing sign we get...

$\\ {3x}^{2} + 10xy - {4y}^{2}$

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