Answer: Solution:- [tex] = 6xy – {4x}^{2} – {y}^{2} + 5 – ( {x}^{2} – 3xy + {7y}^{2} – 2[/tex] [tex] = 6xy – {4x}^{2} – {y}^{2} + 5 – {x}^{2} + 3xy – {7y}^{2} + 2[/tex] [tex] = 6xy + 3xy – {4x}^{2} – {x}^{2} – {y}^{2} – {7y}^{2} + 5 + 2[/tex] [tex]9xy – {5x}^{2} – {8y}^{2} + 7[/tex] Step-by-step explanation: Hope this helps you. # By Sparkly Princess Reply
Answer:
Solution:-
[tex] = 6xy – {4x}^{2} – {y}^{2} + 5 – ( {x}^{2} – 3xy + {7y}^{2} – 2[/tex]
[tex] = 6xy – {4x}^{2} – {y}^{2} + 5 – {x}^{2} + 3xy – {7y}^{2} + 2[/tex]
[tex] = 6xy + 3xy – {4x}^{2} – {x}^{2} – {y}^{2} – {7y}^{2} + 5 + 2[/tex]
[tex]9xy – {5x}^{2} – {8y}^{2} + 7[/tex]
Step-by-step explanation:
Hope this helps you.
# By Sparkly Princess