#pake cara# no ASAL!!!​

Penjelasan dengan langkah-langkah:

-8 ∆ 12

= (-8 x -8) – ( 3 x 12)

= 64 – 36

= 28

Jawaban:

-8Δ12

= -8(-8) – 12

= 64 – 12

=52-12

=40-12

= 28

atau

= -8(-8) – 12-12-12

= 64 – 36

= 28