Question

what should be subtracted from 2x^2-y^2+3 to get -4x^2+y^2-2 ?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

-6x²+2y²-5

Step-by-step explanation:

1. For getting -6x²

• 2x² + a = -4y²
• a= -6y²

similarly we get for -y² and 3