I need to find the simplified difference quotient of f(x) = 2x^2 - 2x + 3. I keep coming up with 2x + 2h - 2 but it's not matching up

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.8: Linear And Quadratic Functions
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I need to find the simplified difference quotient of f(x) = 2x^2 - 2x + 3. I keep coming up with 2x + 2h - 2 but it's not matching up

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