Sagot :
Solution:
[tex](3x^2-7xy+2y^2)+(5x^2+6xy-4y^2)\\ 3x^2-7xy+2y^2+5x^2+6xy-4y^2\\ =8x^2-xy-2y^2[/tex]
[tex]-CarryOnLearning\\-Pantonal[/tex]
Solution:
[tex](3x^2-7xy+2y^2)+(5x^2+6xy-4y^2)\\ 3x^2-7xy+2y^2+5x^2+6xy-4y^2\\ =8x^2-xy-2y^2[/tex]
[tex]-CarryOnLearning\\-Pantonal[/tex]