Question

Subtract x² - y2 from 3 - 5xy/2-2y² and add the result to the sum of 5xy - x²-y² and 2x²+3y²/2​

Answer 1

Answer:

(-4$x^{2}$+6$y^{2}$+10xy+4x$y^{2}$-20x$y^{3}$-14$y^{4}$+6)/4-4$y^{2}$

Step-by-step explanation: