Which is a correct expansion of (4x + 1)(2x^2 - 2)?
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Hello :)
They are basically asking which one of these expansion would give you the right answer.
So first you would have to solve the expression, by using foil.
[tex](4x+1)(2x^2-2)[/tex]
(4x+1)(2x^2-2)
F- first
4x · 2x^2
O- outer
+4x · (-2)
I- inner
+1 · 2x^2
L- last
Put all of the expressions together.
[tex]4x *2x^2+4x * (-2)+1 *2x^2+ 1 * (-2)[/tex]
the answer would be A