SOLUTION: simplify the following expression and combined like terms 3(-4xto the second power+10yto the second power)+10(4y to the second power+ x to the second power)

Algebra ->  Expressions -> SOLUTION: simplify the following expression and combined like terms 3(-4xto the second power+10yto the second power)+10(4y to the second power+ x to the second power)      Log On


   

Question 916815: simplify the following expression and combined like terms
3(-4xto the second power+10yto the second power)+10(4y to the second power+ x to the second power)
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3(-4x^2+10y2)+10(4y^2+x^2)=
-12x^2+30y^2+40y^2+10x^2=
-2x^2+70y^2