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mrs_skeptik [129]

3 years ago

10

7m + 3mn when m = 3 and n = -4

2 answers:

nadya68 [22]3 years ago

4 0

Answer:

-15

Step-by-step explanation:

When m=3 and n=-4

So, put the values

7(3)+3(3)(-4)

-> -15

shutvik [7]3 years ago

4 0

Answer:

-15

Step-by-step explanation:

= 7(3) + 3(3)(-4)

= 21 + 3(3×-4)

= 21 + 3(-12)

= 21 + -36

= 21-36

= -15

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