Question

Write an equivalent expression by distributing the "_"sign outside the parentheses: -(-9.1b+6c+9.4)

Answer 1

In order to write the required equivalent expression, you take into account that terms inside a parenthesis preceded by a minus sing, change their sign.

Then, you have for the following expression:

- ( -9.1b + 6c + 9.4 ) = 9.1b - 6c - 9.4