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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 Cystack
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1 Answer

0 votes
-120

12-12+4x3x(18-8)
12-12+4x3x10
12-12+120
12-132
=-120
User Wyman
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