Question

{2(x²+y²)+2(x²-y²)} What is the ans

Answer 1

Answer:

$4 {x}^{2}$

Step-by-step explanation:

$2( {x}^{2} + {y}^{2} ) + 2( {x}^{2} - {y}^{2} ) \\ \\ = 2 {x}^{2} + 2 {y}^{2} + 2 {x}^{2} - 2 {y}^{2} \\ \\ = 4 {x}^{2}$