9x−2<12x+49x-2<12x+49x−2<12x+4
4x2−3x+1=04x^2-3x+1=04x2−3x+1=0
9y2−30x2y+25x49y^2-30x^2y+25x^49y2−30x2y+25x4
∫12 1(x−3)(x+3)(x+1) dx\int_1^2\:\frac{1}{\left(x-3\right)\left(x+3\right)\left(x+1\right)}\:dx∫12(x−3)(x+3)(x+1)1dx
((2csc(x)+ 2)(2csc(x)−2)=4 cot2(x))\left(\left(2\csc\left(x\right)+\:2\right)\left(2\csc\left(x\right)-2\right)=4\:\cot^2\left(x\right)\right)((2csc(x)+2)(2csc(x)−2)=4cot2(x))
−6x2+14x+4-6x^2+14x+4−6x2+14x+4
dydx+yx=e2x\frac{dy}{dx}+\frac{y}{x}=e^{2x}dxdy+xy=e2x
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