Question

please tell the answer

Answer 1

a²-b² = (a+b)(a-b)

(4²-2²) = (4+2)(4-2)

(4²-2²)(2/3)²= 12×3²/2²

=12×9/4

=3×9

=27

hope it's helpful :)

Answer 2

a²-b² = (a+b)(a-b)

(4²-2²) = (4+2)(4-2)

(4²-2²)(2/3)²= 12×3²/2²

=12×9/4

=3×9

=27