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(x^2 + 5x + 2) – (5x^2 – x – 2) =

User DennisFrea
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Answer:


{ \tt{( {x}^(2) + 5x + 2) - (5 {x}^(2) - x - 2) }} \\ = { \tt{(1 - 5) {x}^(2) + (5 + 1)x + (2 + 2)}} \\ = { \tt{ - 4 {x}^(2) + 6x + 4 }} \\ = { \tt{ - 2(2 {x}^(2) - 3x - 2) }}

User Guido Caffa
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