Mathematics, 27.07.2020 22:01 aryal191
Grace, Chelsea, and Roan are simplifying the same polynomial expression. Which
student's work is correct and why?
Grace
Chelsea
3(2 - x) - 2(6x - 8)
= 6 - 3x β 12x + 16
3(2 - x) β 2(6x β 8)
= 6 - 3x β 12x - 16
Roan
3(2 - x) - 2(6x - 8)
= 6 - 3x + 12x - 16
= -3x - 12x + 16 + 6
= -3x β 12x β 16 + 6
= -3x + 12x β 16 + 6
= -15x + 22
= -15x β 10
= 9x - 10
Answers: 2
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Grace, Chelsea, and Roan are simplifying the same polynomial expression. Which
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