Question

What should be subtracted from x² to get 3x² - 2y?​

Answer 1

Step-by-step explanation:

${x}^{2} - (3 {x}^{2} - 2y) \\ = {x }^{2} - 3 {x}^{2} + 2y \\ = - 2 {x}^{2} + 2y$

-2x²+2y should be subtracted from x² to get 3x² - 2y