It's the absolute value which is 8
A-4b that’s my answer hope this help
Answer:
Aratati ca numarul A=ab+ba-aa-bb este patrat perfect ( deasupra la ab ba aa bb este o linie orizontala) b)determinati nr ab astfel incat B=ab+5ab-126 sa fie patrat perfect ( deasupra la ab 5ab este o linie orizontala) c) aratati ca 25=3²+4² si 625=7²+24²
Step-by-step explanation:
english?
Answer:
sometimes because it depends on the sign whether it's negative or positive