Question

Factor the expression. k2 – 100h2 (k 10h)(k 10h) (k – 10h2)(k 10) (k 10h)(k – 10h) h2(k 10)(k – 10)

Answer 1

(k – 10h2)(k + 10)

I think this is what the answer should be..

Answer 2

$Use\ a^2-b^2=(a-b)(a+b)\\\\k^2-100h^2=k^2-10^2h^2=k^2-(10h)^2=(k-10h)(k+10h)$