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= -6x² + 8x + 3x - 4
= -6x² + 11x - 4
b. (-3p + 1)²
= (-3p + 1) (-3p + 1)
= 9p² -3p - 3p + 1
= 9p² - 6p + 1
c. (-5× - 3)³
= (-5× - 3) (-5× - 3) (-5× - 3)
= -75x³ -45x -75x² - 27 - 25x² + 15x + 15x + 9
= -75x³ + 15x -100x -18
d. -2×(× + 3) (3× - 1)
= - 2x² - 6x - 6x² +2x
= -8x² - 4x
maaf terlalu lama tadi soalnya......
saya tinggal sebentar....
semoga membantu...