18y4−2y3\frac{18y^4}{-2y^3}−2y318y4
4(8x+3y)4\left(8x+3y\right)4(8x+3y)
x2y+y=x+1x^2y+y=x+1x2y+y=x+1
(y2−y+1)(y2−y−1)\left(y^2-y+1\right)\left(y^2-y-1\right)(y2−y+1)(y2−y−1)
−3+5a+2a2-3+5a+2a^2−3+5a+2a2
(1⋅7)\left(1\cdot7\right)(1⋅7)
2x2+5x+1=02x^2+5x+1=02x2+5x+1=0
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