Answered

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Sagot :

cdj8498

Answer:

7x^2-1

Step-by-step explanation:

[tex]7x^2-1[/tex]

RevyBreeze

Answer: 14x-1

( 5 x 2 − 3 x ) + ( 4 x 2 + 7 x − 1 ) − ( 2 x 2 + 4 x ) = [tex]14x-1[/tex]

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