Question

Find the difference between the following two expressions: 2x² + 3xy - 2xyz + 7y and x² - 7xyz + xy​

Answer 1

Answer:

$2 {x}^{2} + 3xy - 2xyz + 7y - {x}^{2} + 7xyz - xy \\ = {x}^{2} + 5xyz + 2xy$

Answer 2

Answer:

here' my answer