Question

X upon 9 ki power 2 minus 4 upon 25 ki power 2

Answer 1

(x/9)^2-(4/25)^2
x^2/81-16/625

Answer 2

Answer:

atq

(x/9^2)-(4/25^2)

step to step

x/81-4/625

lcm of 81 and 625=50,625

(x*625/81*625)-(4*81/625*81)

625x-324/50,625