5b2−10b+155b^2-10b+155b2−10b+15
(−5+2)⋅ −3\left(-5+2\right)\cdot\:-3(−5+2)⋅−3
−9x2−5x-9x^2-5x−9x2−5x
(2z3−6zl4)2\left(2z^3-6zl^4\right)^2(2z3−6zl4)2
−7−1+2−1-7-1+2-1−7−1+2−1
(−2)0−32\left(-2\right)^0-3^2(−2)0−32
x4⋅x8x^4\cdot x^8x4⋅x8
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