Question

Rewrite in simplest terms: minus, 9, left parenthesis, 8, n, plus, 4, p, right parenthesis, minus, 7, p, minus, 2, left parenthesis, minus, 10, p, minus, 9, n, right parenthesis−9(8n+4p)−7p−2(−10p−9n)

Answer 1

-54n - 23p

Work: -9(8n+4p) -7p -2(-10p-9n) = (-72n-36p) -7p +20p +18n = -54n -23p.