Question

Desarrolle (5x-3)3
a 125x3-27
b 125x3-225x2+135x-27
c 125x3-225x2+135x-2
d 5x3-225x2+135x-3
e125x3-45x+27

Answer 1

(5x)^3 - 3 (5x)^2 . 3+3 . 5x . 3^2 - 3^3

(5x)^3= 125x^3

3(5x)^2 . 3 = 225x^2

3(5x) 3^2 =135x

3^3= 27

saldria : 125x^3 - 225x^2 + 135x - 27