Question

find the sum of -
3x2 + 4y2, 2y2 + 2xy - x2, x2 + 2y2​

Answer 1

Answer:

Solutions

Step-by-step explanation:

Using a calculator

Answer 2

Answer:

3x^2+4y^2

-x^2+2y^2+2xy

x^2+2y^2

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3x^2+8y^2+2xy

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