.2x2-2x+27=0 or x2-10x+135=0
x=(10±√(100-540))/2
x=(10±20.97)/2
x=15.5 and x=-5.5
.2(15.5)2-2(15.5)+27=0
48.05-31+27=45.05 so first answer doesn't work
.2(-5.5)2-2(-5.5)+27=0
6.05+11+27=44.05 so second answer doesn't work
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27 times 3 minus 46 plus 23 equals 58.
X=27
33
16 plus 27 equals 43.
It is: -73--27 = -46 because a double minus becomes a plus and --27 is the same as +27
27 times 3 minus 46 plus 23 equals 58.
X=27
33
16 plus 27 equals 43.
55 + 27 + 65 = 147
It is: -73--27 = -46 because a double minus becomes a plus and --27 is the same as +27
27 + 20 = 47
27. 2+7=9 then minus 4. Next is plus 8 minus 3. Plus 9 minus 2. Plus 10 (27). Next is minus 1 which would be 26.
27
27
74
'63'