How do you foil #(2x +4) (4x - 3) #?

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Answer 1 · 2015-08-08T15:39:43

#8x^2 +10x -12#

FOIL stands for First, Outer, Inner, Last

#(2x+4)(4x-3)#

First: #2x*4x = 8x^2#

Outer: #2x * (-3)= -6x#

Inner: #4*4x= 16x#

Last: #4*(-3)=-12#

Combining each of the results will get us:
#8x^2 - 6x + 16x - 12#
which can simplify to
#8x^2 + 10x - 12#