3x+6<93x+6<93x+6<9
a−2b15a + b−a20b\frac{a-2b}{15a}\:+\:\frac{b-a}{20b}15aa−2b+20bb−a
9x2+24x+649x^2+24x+649x2+24x+64
(5f2+2c)2\left(5f^2+2c\right)^2(5f2+2c)2
6x2−24x−126x−7\frac{6x^2-24x-126}{x-7}x−76x2−24x−126
(−3+7−5)−(9+11−3)+(−7+9)\left(-3+7-5\right)-\left(9+11-3\right)+\left(-7+9\right)(−3+7−5)−(9+11−3)+(−7+9)
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