tcapele252
26.08.2019 •
Mathematics
(4x^4+7x+5x^3)+(8x^4+6x^3-+4x^3-8x)
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Ответ:
8x⁴ - 7x³ + 12x
Step-by-step explanation:
=(4x⁴ + 7x + 5x³) + (8x⁴ + 6x³ - 3x)- (4x⁴ + 4x³ - 8x)
=4x⁴ + 7x + 5x³ + 8x⁴ + 6x³ - 3x - 4x⁴ - 4x³ + 8x
=4x⁴ + 8x⁴ - 4x⁴+ 5x³ + 6x³ - 4x³ + 7x - 3x + 8x
=8x⁴ + 7x³ + 12x
Ответ: