Question

96. Simplify: (y + x)2 – 2xy.

Answer 1

Answer:

${(y + x)}^{2} - 2xy$

$= {y}^{2} + {x}^{2} + 2xy - 2xy$

$= {y}^{2} + {x}^{2} \: \: (or )\: {x}^{2} + {y}^{2}$