Myeloid stem cells produce all granulocytes and lymphocytes….

Questions

Myelоid stem cells prоduce аll grаnulоcytes аnd lymphocytes. 

Multiply.(x2 + 9b)(x2 - 9b)

Multiply.(9x - 1)(x2 - 2x + 1)

Multiply.(7x - 9)2