Question

Porfavor ayuda (x2 – 5)3

Answer 1

Respuesta:

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

$(x^{2} -5)^{3} =x^{2}^{3} -3x^{2} ^{2}(-5)+3x(-5)^{2} +(-5)^{2}$

$(x^{2} -5)^{3} =x^{6} -3x^{4} (-5)+3x^{2} (25)+(-125)\\(x^{2} -5)^{3}=x^{6} -15x^{4}+75x^{2}-125$