Respuesta :

Answer and steps in picture
(The app photo math will give u the answer to any math problem automatically and will show u the steps)
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Answer:

Step-by-step explanation:

(18x² - 18) + (-13x²-13x+13) = 18x² - 18 -13x²-13x+13

                                          = 5x² -13x - 5

                                         

                                         

Q&A Education