FOIL

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65 x 33 = (65)·(33) = (60 + 5)·(30 + 3)
= ( )x100 + 18x10 + 15x10 + 15 =
= ( )x100 + 180 + 150 + 15 = 2145

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FirstOuterInnerLast

Level

How Many

FOIL method @			Example >>>	34 x 52 = (30 + 4)·(50 + 2)

First	(A + B)·(C + D) = AC + AD + BC + BD			= 30 x 50	= 1500
Outer	(A + B)·(C + D) = AC + AD + BC + BD			= 30 x 2	= 60
Inner	(A + B)·(C + D) = AC + AD + BC + BD			= 4 x 50	= 200
Last	(A + B)·(C + D) = AC + AD + BC + BD			= 4 x 2	= 8

					= 1768