b is 2/5 of c 4a 3c, a/b 2/3 and b/c 4/5, b 2 4ac formula, b 2+4ac, 3 a+4 b 5 c, b 2 4ac calculator, b 2-4ac greater than 0, if 4a 3b 5c then find a:b:c, b 2-c 2+4a 2-4ab, b 2 4ac 0 means, if 2a 3b 4c then a:b:c, a/2 b/3 c/4, 3a+2b+c 5 2a+b-3c 1, a 1 3 and c -2/5 -2/5, a/3 b/5 c/7 3a+2b-4c 9, a:b 3:4 b:c 2:5, math formula b2 4ac
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