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21a2
4a+3a-4 = 10 4a+3a = 10+4 7a = 14 a = 2
9a2=24a-16 9a2-24a+16=0 (3a-4)(3a-4)=0 3a-4=0 a=4/3 double root
It is 6a + 4
3a > 4 Divide both sides by 3: a > 4/3So a is greater than four thirds.