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OpenStudy (anonymous):
Simplify. (x – 3)(x2 – 4x – 7) (Points : 1) x3 – 3x2 + 12x + 21 x3 – 7x2 + 19x + 21 x3 – 7x2 + 5x + 21 x3 + x2 – 5x – 21
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OpenStudy (anonymous):
is the 2 after the x an exponent?
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