(3x+7)(3x+11)\left(3x+7\right)\left(3x+11\right)(3x+7)(3x+11)
(−5−i)+(10−4i)\left(-5-i\right)+\left(10-4i\right)(−5−i)+(10−4i)
(2m2+3m−1n−1)2\left(2m^2+3m^{-1}n^{-1}\right)^2(2m2+3m−1n−1)2
0,25x2+y4z6−xy2z30,25x^2+y^4z^6-xy^2z^30,25x2+y4z6−xy2z3
5−3z=−2z+5−z5-3z=-2z+5-z5−3z=−2z+5−z
20a2b3\sqrt{20a^2b^3}20a2b3
4tan 2x−1=34\tan\:2x-1=34tan2x−1=3
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