a) -5(-x+8) = 5x + -40)
B) xy (2x-y+7) = 2x²y + (-xy²) + 7xy
c) (x²-x+1)/(-1/3) = (x²-x+1 )* (-3) = -3x²+3x+(-3)
d)(6x²+7x-1)/5 = 6/5 x²+7/5x+ (-1/5)
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a) -5(-x+8) = 5x + -40)
B) xy (2x-y+7) = 2x²y + (-xy²) + 7xy
c) (x²-x+1)/(-1/3) = (x²-x+1 )* (-3) = -3x²+3x+(-3)
d)(6x²+7x-1)/5 = 6/5 x²+7/5x+ (-1/5)