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mikaa_toxica13
Group Title
Choose the correct simplification of (2x3 + x2 − 4x) − (9x3 − 3x2).
11x3 − 2x2 − 4x
−7x3 + 4x2 − 4x
−2x3 − 2x2 − 4x
−7x3 − 4x2 − 4x
 one year ago
 one year ago
mikaa_toxica13 Group Title
Choose the correct simplification of (2x3 + x2 − 4x) − (9x3 − 3x2). 11x3 − 2x2 − 4x −7x3 + 4x2 − 4x −2x3 − 2x2 − 4x −7x3 − 4x2 − 4x
 one year ago
 one year ago

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satellite73 Group TitleBest ResponseYou've already chosen the best response.0
\[ (2x^3 + x^2 − 4x) − (9x^3 − 3x^2)\] distribute the minus sign and get \[2x^3+x^24x9x^3+3x^2\] and then combine like terms
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.0
\[2x^39x^3=7x^3\] and \[x^2+3x^2=4x^2\]so you get \[7x^3+4x^24x\]
 one year ago
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