SOLUTION: 3x^2 + 4y^2 - ( 5x^2 - 7y^2 - 1) how do I solve this? I am way lost!

Algebra ->  Expressions -> SOLUTION: 3x^2 + 4y^2 - ( 5x^2 - 7y^2 - 1) how do I solve this? I am way lost!      Log On


   

Question 460110: 3x^2 + 4y^2 - ( 5x^2 - 7y^2 - 1)
how do I solve this? I am way lost!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
3x^2 + 4y^2 - ( 5x^2 - 7y^2 - 1)


3x^2 + 4y^2 - 5x^2 + 7y^2 + 1


(3x^2 - 5x^2) + (4y^2 + 7y^2) + 1


-2x^2 + 11y^2 + 1


So 3x^2 + 4y^2 - ( 5x^2 - 7y^2 - 1) = -2x^2 + 11y^2 + 1