Question

Write an equivalent expression by distributing the "-" sign outside the parentheses: -k-(-6.2m +1)

Answer 1

In order to get the required expression you take into account that when you eliminate a prenthesis preceded by a minus sign, terms inside the parenthesis change their sign.

Then, for the following expression, you have:

- k - (-6.2m + 1)

- k + 6.2m - 1 that is, signs inside the parenthesis have changed