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guys patulong sasabog na utak ko


what is/are the non-permi sable value/s of the given viriable of each rational algebraic expression

1.3x/2x+1p
2.8y/18y²-36m
3.10m²+30m/35m²-5m
4.r²+3r+2/5r+10
5.12r/r²+4r-32​