Mathematics, 17.12.2020 16:40, emcarrell

PLEASE HELP Which expression is a simplified form of

$3x^{2} - 4x + 5 - x^{2} + 2x - 1$
$a) \: 2x^{4} - 2x^{2} + 4 \\ b) \: 2x^{4} + 6x^{2} + 4 \\ c) \: 2x^{2} - 2x + 4 \: \: \\ d) \: 4x^{2} - 2x + 4 \: \:$

Answers: 2

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PLEASE HELP Which expression is a simplified form of

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