[3(5)2−4(5)−3]−[3(3.5)2−4(3.5)−3]\left[3\left(5\right)^2-4\left(5\right)-3\right]-\left[3\left(3.5\right)^2-4\left(3.5\right)-3\right][3(5)2−4(5)−3]−[3(3.5)2−4(3.5)−3]
4+2k2−5k+1=2+k2−2k+14+\sqrt{2k^2-5k+1}=2+\sqrt{k^2-2k+1}4+2k2−5k+1=2+k2−2k+1
∫2xx−5dx\int\frac{2x}{\sqrt{x-5}}dx∫x−52xdx
(−3)510\sqrt[5]{\left(-3\right)}^{10}5(−3)10
−∣(32)+(−49)∣-\left|\left(32\right)+\left(-49\right)\right|−∣(32)+(−49)∣
x3−2x2−4x+8x^3-2x^2-4x+8x3−2x2−4x+8
sin(2x)+ sin(2y)=2sin(x+y)cos(x−y)\sin\left(2x\right)+\:\sin\left(2y\right)=2\sin\left(x+y\right)\cos\left(x-y\right)sin(2x)+sin(2y)=2sin(x+y)cos(x−y)
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