Simplify: 2(m - 3)^2 - 2(m + 2)(m - 4).
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Answer:
2m² - 8m + 52
Step-by-step explanation:
2( m - 3 ) ^ 2 - 2 ( m + 2 ) ( m - 4 )
=> ( 2m - 6 )² - 2 ( m² - 4m + 2m - 8 )
=> ( 4m² + 36 - 12m ) - 2 ( m² - 2m - 8 )
=> 4m² + 36 - 12m - 2m² + 4m + 16
=> 2m² - 8m + 52
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