−3x=−21-3x=-21−3x=−21
3n+5p+2+n3n+5p+2+n3n+5p+2+n
(3x2+4y)2\left(3x^2+4y\right)^2(3x2+4y)2
(3m3x5)9\left(\frac{3m^{\text{3}}}{x^5}\right)^9(x53m3)9
(x2−1)(x+3)\left(x^2-1\right)\left(x+3\right)(x2−1)(x+3)
11x+8+−11x+2411x+8+-11x+2411x+8+−11x+24
3cos(x)+9=73\cos\left(x\right)+9=73cos(x)+9=7
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