Question

If √10 + √25 + √x + √154 + √225 = 4, then x equals to

Answer 1

Answer:

√10 + √25 + √x + √154 + √225

= √2×5 + 5 + √x √2×77 + 15 = 4

= √10 + √x + √154 = 4 - 20

= 10+154+x= -16²

= x = -256 - 164

= x = -420