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mrs_skeptik [129]
3 years ago
8

Evaluate (m4 + 5) – n (m+ + 5) – n3 if m = -2 and n = -4.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
7 0

Answer:

69

Step-by-step explanation:

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step by step explanation:
3x - 25 = 8x + 5
- 3x. -3x

25 = 5x + 5
-5. -5

20 = 5x
/ 5. /5

X=4


Hope this helps
8 0
3 years ago
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