a.(4x-5)(4x+5) b.(x-2)(4-x) c.(3x-1)(1-3x) plus bantu jawab besok dikumpulkan.mkh

Bagian A
(4x-5)(4x+5)
=4x-5.4x+5
=4x-4x.5+5
=0.10
=0

bagian B
(x-2)(4-x)
=x-2.4-x
=x+x.4+2
=2x.6
=12x

bagian c
(3x-1)(1-3x)
=3x-1.1-3x
=3x+3x.1+1
=6x.2
=12x

maaf kalo salah