What is a like term of -5.92?

A like term of -5.92 would be any term that has the same variable raised to the same power. For example, -3.5, 2.1, or 0.0 are like terms if they are considered as constant terms. If -5.92 is part of an expression with variables, a like term could be -5.92x or -5.92y, depending on the variable involved.