Question

8x^2+3xy+4y^2_12x^2+3xy-5y^2

Answer 1

8x^2+6xy-5y^2+8y_1^2x^2

Explanation:

Answer 2

- 4x² + 6xy - y²

Explanation:

8x² + 3xy + 4y² - 12x² + 3xy - 5y² ← collect like terms

= (8x² - 12x² ) + (3xy + 3xy) + (4y² - 5y²)

= - 4x² + 6xy - y²