Mathematics, 10.02.2021 14:00 bnnn

1. Enter an expression equivalent to (-7x² + 23x - 12) + (-7x² - 14) - (-4x - 45) using the fewest number of possible terms.

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1. Enter an expression equivalent to (-7x² + 23x - 12) + (-7x² - 14) - (-4x - 45) using the fewest...