Question

what's the answer of (10h+20k)(10h-20k) in maths

Answer 1

Answer:

(10h+20k)(10h-20k)

it is in the form of (a+b)(a-b)

(a+b)(a-b)= a^2-b^2

(10h+20k)(10h-20k) = (10h)^2-(20k)^2

(10h)^2-(20k)^2= 100h^2-400k^2

so (10h+20k)(10h-20k)= 100h^2-400k^2

pls mark this answer as the brainliest