catdog5225
18.01.2020 •
Mathematics
2. which expression is equivalent to 3x(-4x² + 5x - 8) - 6(x² - 5x + 7)?
a. 12x³ - 9x² + 6x - 42
b. -12x³ + 9x² + 6x - 42
c. -12x³ - 54x² + 6x - 42
d. -27x³ - 6x² + 6x - 42
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