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dem82 [27]
4 years ago
14

PLEASE CAN SOMEONE HELP ME WITH THE 3 QUETIONS

Mathematics
1 answer:
VARVARA [1.3K]4 years ago
3 0
1.
2x (4x² -3x +8) - (3x+4)
8x³ - 6x² +16x -3x -4
8x³ -6x² +13x -4


2.
3x(2x²-7)+7x(x²+4)
6x³ -21x +7x³ +28x
13x³ +7x


3.
2x² (-4x^4 -12x² - x +17)
-8x^6 - 24x^4 - 2x³ + 34x²
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Aleksandr-060686 [28]

Answer:

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