(7−3)(4+4)\left(7-3\right)\left(4+4\right)(7−3)(4+4)
4a+13b−2a+2b+254a+13b-2a+2b+254a+13b−2a+2b+25
400 − (−500)400\:-\:\left(-500\right)400−(−500)
sin3(x)+cos2(x)sin2(x)sin^3\left(x\right)+cos^2\left(x\right)sin^2\left(x\right)sin3(x)+cos2(x)sin2(x)
x3−4−3x2x3(x2−4)\frac{x^3-4-3x^2}{x^3\left(x^2-4\right)}x3(x2−4)x3−4−3x2
(3p − 9q)(9q + 3p) \left(3p\:-\:9q\right)\left(9q\:+\:3p\right)\:(3p−9q)(9q+3p)
6x+7−2+x6x+7-2+x6x+7−2+x
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