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zorik328Софья
@zorik328Софья
August 2022
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Х^3-х^2-16х+16
64b^2-(8-b)^2
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litanalove
1) x^3 -x² -16(x -1) =x²(x -1) -16(x -1) =(x -1)(x² -16) =(x -1)(x -4)(x +4)
2) a² -b² =(a -b)(a +b)
64b² -(8 -b)² =(8b -(8 -b))*(8b +(8 -b)) =(8b -8 +b)*(8b +8 -b) =(9b -8)(7b +8)
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Answers & Comments
2) a² -b² =(a -b)(a +b)
64b² -(8 -b)² =(8b -(8 -b))*(8b +(8 -b)) =(8b -8 +b)*(8b +8 -b) =(9b -8)(7b +8)