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OpenStudy (anonymous):
Choose the correct simplification of (2x3 + x2 − 4x) − (9x3 − 3x2). 11x3 − 2x2 − 4x −7x3 + 4x2 − 4x −2x3 − 2x2 − 4x −7x3 − 4x2 − 4x
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OpenStudy (anonymous):
\[2x^3 + x^2 -4x -9x^3 + 3x^2\]\[-7x^3 + 4x^2 -4x\]
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