m−n−4p−3m−2n+4m-n-4p-3m-2n+4m−n−4p−3m−2n+4
10+6y+2x+310+6y+2x+310+6y+2x+3
10x−10x+3=99910^x-10^{x+3}=99910x−10x+3=999
7y−2527y-25^27y−252
49x4y2−64w16z1449x^4y^2-64w^{16}z^{14}49x4y2−64w16z14
z−4z2\frac{z^{-4}}{z^2}z2z−4
15x + 20x + x15x\:+\:20x\:+\:x15x+20x+x
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