Question

$( \frac{2x}{3} - \frac{2}{3} )( \frac{2x}{3} + \frac{2a}{3} )$
formula (a-b)×(a+b)
solve this
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Answer 1

Question:-

=(2x) - (2a) (2x) + (2a)

(3) (3). (3) + (3)

Formula:-

(a+b)(a-b)

Answer:-

[(2x)^2 - (2a)^2]

( 3) ^2 (3)^2

4x^2 - 4a^2

9 9

4x^2 - 4a^2

9

hope this helps you