The expression evaluated in m = 4 and n = 8 is equal to 156.
How to evaluate the expression?
We have the expression:
6nm + 7m - 8n
And we want to evaluate in m = 4 and n = 8, this means that we just need to replace these variables by these numbers.
We get:
6*8*4 + 7*4 - 8*8 = 156
So the evaluated expression is equal to 156.
If you want to learn more about evaluating expressions:
https://brainly.com/question/4344214
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