debora33
A. 8x³+20x²-12x-14x²-35x+21 = 8X³+6X²-47X+21 b. 20x³-35x²+15x+24x²-42x+18 = 20x³-11x²-27x +18 c. 15x³-9x²-12x-25x²+15x+20 = 15x³-34x²+3x+20 d. 12x⁴-10x³-28x²+24x-18x³+15x²+42x-36 = 12x⁴-28x³-13x²+66x-36 e. 75x⁴+230x³-245x+105x³+322x²-343 = 75x⁴335x³-245x+322x²-343 f. 74x⁴+39x²+42x+36x³+26x+28 = 74x⁴+39x²+68x+36x³+28
b. 20x³-35x²+15x+24x²-42x+18 = 20x³-11x²-27x +18
c. 15x³-9x²-12x-25x²+15x+20 = 15x³-34x²+3x+20
d. 12x⁴-10x³-28x²+24x-18x³+15x²+42x-36 = 12x⁴-28x³-13x²+66x-36
e. 75x⁴+230x³-245x+105x³+322x²-343 = 75x⁴335x³-245x+322x²-343
f. 74x⁴+39x²+42x+36x³+26x+28 = 74x⁴+39x²+68x+36x³+28
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