Question

$(6x - 4) (6x + 4)$

Answer 1

(6x)^2-(14)^2
=36x^2-16
hope this will help you

Answer 2

(6x-4)(6x-4)

(6x-4)^2

(6x)^2+(4)^2-2(6x)(4)


36x^2+16-48x


Hence,the answer is 36x^2-48x+16


HOPE IT HELPS!!!!!!