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What is the value of -3mn+4m-3 when m=2 and n=-4?
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What is the value of -3mn+4m-3 when m=2 and n=-4?

User Montoya
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29

substitute the given values for m and n into the expression

= (- 3 × 2 × - 4) + (4 × 2) - 3

= 24 + 8 - 3 = 29


User Shauna
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