Question

(substract) a sqare - b square from a square + b square​

Answer 1

Answer:

${b}^{2}$

Step-by-step explanation:

$( {a}^{2} + {b}^{2} ) - ({a}^{2} - {b}^{2} )$

${a}^{2} + {b}^{2} - {a }^{2} + {b}^{2}$

finally,

$2 {b}^{2}$

HOPE IT WORKS FOR YOU!!

Answer 2

Answer:

${ \huge{ \bf{ \red{answer}}}}$

= ( a²+b²) - ( a²-b²)

= a²+b²-a²+ b²

= 2b² is the correct answer

Hope it helps