Question

(3x^2 + 5xy - 7y^2) + (11x^2 - 6xy + 2y^2)

Answer 1

Step-by-step explanation:

$(3x^2 + 5xy - 7y^2) + (11x^2 - 6xy + 2y^2) \\ = 3x^2 + 5xy - 7y^2+ 11x^2 - 6xy + 2y^2 \\ = 14 {x}^{2} - xy - 5 {y}^{2}$

Answer 2

Answer:

(3x2+5xy−7y2)+(11x2−6xy+2y2)=3x2+5xy−7y2+11x2−6xy+2y2=14x2−xy−5y2