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Xelga [282]
3 years ago
12

(2x^2+7+10)-(x^2+2x-9)

Mathematics
1 answer:
svlad2 [7]3 years ago
6 0

Step-by-step explanation:

2 {x}^{2}  + 7 + 10 - ( {x}^{2} + 2x - 9) \\ 2 {x}^{2}   + 7 + 10 -  {x }^{2}  - 2x  + 9 \\  {x}^{2}  - 2x + 26

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