Question

(5x-4)^3-5x+4)^3
please solve this sum​

Answer 1

Answer:

0

Step-by-step explanation:

(5x-4)^3-(5x+4)^3

using (a-b)^3 and (a+b)^3 identity

=(5x)^3-(4)^3-3(5x)(4)(5x-4) - (5x)^3+(4)^3+3(5x)^2(4)+3(5x)(4)^2

=125x^3-64-300x^2+240x-125x^3+64+300x^2+240x

= 0

here is your answer

hope it helps you