Question

expand (3x-2) whole cube​

Answer 1

Answer:

27x³-54x²+36x-8

Step-by-step explanation:

Answer 2

Answer:

27x^3-54x^2+36x-8

Step-by-step explanation:

we know that, (a-b)^3=a^3-b^3+3ab(b-a)

then (3x-2)^3= (3x)^3-2^3+3(3x)(2)(2-3x)

= 27x^3-8+18x(2-3x)

= 27x^3-8+36x-54x^2

= 27x^3-54x^2+36x-8

hope this will helps you.....