In order to factor by grouping with a negative sign in the middle, meaning this symbol right here, we still have to group the first two terms and the last two terms together. The most important thing ...

Learn how to factor expressions by grouping. To factor an algebraic expression means to break it up into expressions that can ...

Learn how to factor polynomials by grouping. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor ...