(75-x)(482-x)-106*106 =0
x+9, x-6,4 are in G.P. then x=?
calculate the sum of even numbers up to 5
write 60 as a product of its prime factors
18 × [17 + (-3)]
60, product of primes
(204)^4
19x-10y=80
-15x+28y-3z=150
-y+3z=-50
[32 + 2 × 17 + (-6)] ÷ 15
(b) (-7624928) × 997 + (7624928) × (-3)