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Which of the following is the product of (3x2 − 1)(x2 − 4)?
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4 votes
Which of the following is the product of (3x2 − 1)(x2 − 4)?

User Dmitriy Fialkovskiy
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1 Answer

5 votes
=3x14 - 13x2 + 4
Apply the FOIL method: (a+b)(c+d) = ac+ad+bc+bd
Which will look like this:
(3x2 x2 + 3x2 (-4) -1 TIMES x2 -1 TIMES (-4)
And then simplify
User Evans Belloeil
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