saysay9
saysay9
27-03-2018
Mathematics
contestada
Anyone know this answer
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sqdancefan
sqdancefan
27-03-2018
Use the distributive property.
(x -2)*(x^2 +5x +2 = x(x^2 +5x +2) -2(x^2 +5x +2)
= (x^3 +5x^2 +2x) +(-2x^2 -10x -4)
= x^3 +x^2*(5 -2) +x*(2 -10) -4
= x^3 +3x^2 -8x -4 . . . . . . . . . . . the 3rd selection
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