Respuesta :
Answer:
The 1st option is true
Step-by-step explanation:
the number is x, the square of it is x² (x*x), they are just added up and together equal to 42
Option 2 has unnecessarily 2 times the number in the equation
Option 3 would mean the mentioned sum would equal -42 if we rewrite the equation
Option 4 has both error mentioned
(would really, reallly appreciate the brainliest)