Question

factorise
$(5a - \frac{2}{3} ) ^{2} - (2a - \frac{1}{3} ) ^{2}$

Answer 1

HEY FRIEND ✋✋✋

( 5a - 2/3 ) ² - ( 2a - 1/3 ) ²

= 25a² + 4/9 - 20a/3 - ( 4a² + 1/9 - 4a/3 )

= 25a² + 4/9 - 20a/3 - 4a² - 1/9 + 4a/3

= 21a² + 3/9 - 16a/3

HOPE IT HELPS...