388,307 views
24 votes
24 votes
AB - CD + 2D x A x (AC - BD

also i know it says im old but im in middle school

b=4 a=3 c=6 d=2

User Carpiediem
by
2.6k points

1 Answer

9 votes
9 votes
-120

12-12+4x3x(18-8)
12-12+4x3x10
12-12+120
12-132
=-120
User Gaurav Srivastav
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3.2k points