Question

simplify 3a²-[2b²-(²-(a²-3b²+2c²)}-(2a²-b² - c²)] using grouping method​

Answer 1

Answer:

when 3 a square minus (to b square minus) to minus (a square minus 3 X square + 2) close square bracket 13 minus 2 a square minus b square minus c square + 23 x square - 2 x square minus a square + b square + c square - 2 X square + 2 AV + b square that solve this is your answer