Answer:
−2322q−6945
Explanation:
Simplify 129(2q+6) * 9 to 1161(2q + 6)
Expand by Distributing terms
21 - (2322q + 6966)
Remove parentheses.
21 - 2322q - 6966
Collect like terms.
-2322q + (21−6966)
Simplify
-2322q - 6945
Done
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