(x²-y² + 2xy +1)-(x² + y² + 4xy-5)
Answers
Answered by
2
Step-by-step explanation:
(x^2+2xy-y^2+1)-(x^2+y^2+4xy-5)
=x^2+2xy-y^2+1-x^2-y^2-4xy+5
=x^2-x^2+2xy-4xy-y^2-y^2+1+5
=-2xy-2y^2+6
Similar questions