−2(x−1)-2\left(x-1\right)−2(x−1)
sin2x−sinx\sin2x-\sin xsin2x−sinx
−42+9a−3a-42+9a-3a−42+9a−3a
23a2−16a+34a3\frac{2}{3}a^2-\frac{1}{6}a+\frac{3}{4}a^332a2−61a+43a3
3.77⋅2.1253.77\cdot2.1253.77⋅2.125
x−12 = 17x-12\:=\:17x−12=17
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