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
$8x^2 + 10x - 12$

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