This is an ambiguous question
Ans. 1
x is an unknown. To square x, multiply it by itself x.x=x2
5 times x2 = 5x2
Ans. 2
5 times x = 5x
(5 times x) squared, is (5x)2 = 25x2
5(x^2 + y)
75. 5 squared is 25, times three is 75 3 x (5)2 = 3 x 25 = 75
yes
If x squared = 5 then x = sqrt(5) = 2.2361 (approx).
13
5(x^2 + y)
252 x 5 = 625 x 5 = 3125
22 x 5 = 4 x 5 = 20
75. 5 squared is 25, times three is 75 3 x (5)2 = 3 x 25 = 75
(5x)2 = 25x2.
0
500 = 2 x 2 x 5 x 5 x 5 OR 22 x53
16 to the 4th power, or 16 x 16 x 16 x 16 = 65,536
This kind of question needs to be more specific. It can be read either as (3x5)2 or as 3 x 52. In the first case we have 152 which equals 225. In the second case we have 3 x 25 = 75.
If x squared = 5 then x = sqrt(5) = ± 2.2361 (approx).
If x squared is not 5, then x is not equal to 5. Do not fall for the trap that the converse is "if x-squared = 25 then x = 5" since that is not a true statement.
2 squared X 3 squared = 5 squared