Question

Substract x²-y² from y²-x²

Answer 1

${x}^{2} - {x}^{2} + {y}^{2} - {y}^{2}$
Answer will come 0 ( zero )
plzzz mark it brainliest

Answer 2

X^2-y^2 from y^2-x^2=o

Because change of variable does not matter