Cho các đa thức sau: P(x) = x3 + 3x2 + 3x - 2 và a) Tính P(x) + Q(x)
b) Tính P(x) - Q(x)
c) Tìm nghiệm của đa thức H(x) biết H(x) = P(x) + Q(x).

Where were most textile factories located in north carolina? next to rivers and power plants in the mountains region next to cotton fields and ocean ports on the outer coastal plain along rail lines and forests in the inner coastal plain along rail lines and rivers in the piedmont region

Which elements are part of group culture ? choose all answers that are correct a. resources b. history c. population d. language

Which of the following wrote detailed accounts about early native american? a) spanish b) french c) americans d) mexicansi need this !