Write an equivalent expression by distributing the "minus−" sign outside the parentheses:
minus, left bracket, 9, point, 2, n, plus, p, minus, 3, point, 1, right bracket
−(9.2n+p−3.1)
minus, left bracket, 9, point, 2, n, plus, p, minus, 3, point, 1, right bracket
−(9.2n+p−3.1)