Kenneth S. answered • 02/01/17

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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018

Thank you for providing the proper parentheses to make the denominators very clear.

You must adopt this COMMON DENOMINATOR: (x+2)(x-1).

The given expression will then have this numerator 1(x-1) + 2(x+2) which becomes 3x + 3.

Final answer can be [3(x+1)] / [(x+2)(x-1)]

Tim C.

02/01/17