Question

full solution send kro
please​

Answer 1

Step-by-step explanation:

${(5x + 2)}^{2} - {(5x - 2)}^{2} \\ = 25 {x}^{2} + 4 + 20x - (25 {x}^{2} + 4 - 20x) \\ =25 {x}^{2} + 4 + 20x - 25 {x}^{2} - 4 + 20x \\ = 40x$

Answer 2

Answer:

40x

Step-by-step explanation:

${(5x + 2) }^{2} - {(5x - 2) }^{2}$

$(25 {x}^{2} + 4 + 20x) - (25 {x}^{2} + 4 - 20x)$

$25 {x}^{2} + 4 + 20x -25 {x}^{2} - 4 + 20x$

$20x + 20x$

$40x$