x2−8x+4=0x^2-8x+4=0x2−8x+4=0
4cosa−1=34cosa-1=34cosa−1=3
(310x+5)2\left(\frac{3}{10}x+5\right)^2(103x+5)2
∫(x+1)2x+x2dx\int\frac{\left(x+1\right)}{\sqrt{2x+x^2}}dx∫2x+x2(x+1)dx
(x3−3)(x2+3)\left(x^3-3\right)\left(x^2+3\right)(x3−3)(x2+3)
(−2x2+2)\left(-2x^2+2\right)(−2x2+2)
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