Question

(2a+b)cube - (2a-b)cube

Answer 1

Answer:

$2b(4 {a}^{2} + {b}^{2} )$

Step-by-step explanation:

${x}^{3} - {y}^{3} = (x - y)( {x}^{2} + {y}^{2} + xy)$

${(2a + b)}^{3} - {(2a - b)}^{3}$

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

$= 2b(4 {a}^{2} + {b}^{2} )$

Hope it helps

Answer 2

Answer:

mark as brilent please