Question

Quantos que e(1-x)³?Me ajudem alguem aii

Answer 1

$(a-b)^3=a^3-3a^2b+3ab^2-b^3$

$(1-x)^3=1^3-3\cdot1^2\cdot x+3\cdot1\cdot x^2-x^3$

$\boxed{(1-x)^3=1-3x+3x^2-x^3}$