if x equal to 5 and y is equal to-2 thn value of 2x^2-3y^2

• its 38 like
  2*5^2-3*(-1)^2
  =38
• 5 years agoHelpfull: Yes(3) No(1)
• x=5,y=-2
  2(5)^2-3(-2)^2=38
  answer:38
• 4 years agoHelpfull: Yes(2) No(0)
• 64...................................................
• 5 years agoHelpfull: Yes(1) No(1)
• 2X=2*(5)=10;
  10^2=10*10=100;
  3y=3*(-2)=-6;
  (-6)^2=-36;
  therefore-:: 100-(-36)=100+36=136
• 4 years agoHelpfull: Yes(0) No(1)
• 2(5)^2-3(-2)^2=50-12=38
• 4 years agoHelpfull: Yes(0) No(0)
• 2*25-3(-2)^2=38
• 2 years agoHelpfull: Yes(0) No(0)