Question

What should be added to 6 x2 + 5 y2 - 3 x y to obtain -4 y2 – 8 x2 +2 x y?​

Answer 1

Answer:

$-14x^{2} - 9y^{2} + 5xy$

Step-by-step explanation:

Let the number be x

So, ATQ,

$6x^{2} + 5y^{2} - 3xy + x = -4y^{2} - 8x^{2} + 2xy$

$x = -4y^{2} - 8x^{2} + 2xy - (6x^{2} + 5y^{2} - 3xy)$

$x = -4y^{2} - 8x^{2} + 2xy - 6x^{2} - 5y^{2} + 3xy$

$x = -14x^{2} - 9y^{2} + 5xy$

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Answer 2

Answer:

Step-by-step explanation: