запишите сумму и разность многочленов и привидите к стандартнуму виду
1) 4x^-4x^3+x-5 и -4x^4+4x^3-x+5
2) 11b^3-7b^4y+6by^4-y^3 и 7b^3+6b^4y+9by^4-2y^3
1) 4x^-4x^3+x-5 и -4x^4+4x^3-x+5
2) 11b^3-7b^4y+6by^4-y^3 и 7b^3+6b^4y+9by^4-2y^3
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11)4x^4-4x³+x-5-4x^4+4x^3+5=0
2)4x^4-4x³+x-5+4x^4-4x^3-5=8x^4-8x³-10
2
1)11b³-7b^4y+6by^4-y³+7b³+6b^4y+9by^4-2y³=18b³-b^4y+15by^4-3y³
2)11b³-7b^4y+6by^4-y³-7b³-6b^4y-9by^4+2y³=4b³-13b^4y-3by^4+y³