5x2y+3x=2y+65x^2y+3x=2y+65x2y+3x=2y+6
xy2=−10xy^2=-10xy2=−10
x15x4+x+1\frac{x^{15}}{x^4}+x+1x4x15+x+1
tan(x)(cot(x)−cos(x))=1−sin(x)tan\left(x\right)\left(cot\left(x\right)-cos\left(x\right)\right)=1-sin\left(x\right)tan(x)(cot(x)−cos(x))=1−sin(x)
x+2y−3z−4w=6x+2y-3z-4w=6x+2y−3z−4w=6
3x2+12x−5=73x^2+12x-5=73x2+12x−5=7
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