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What number should be added to 2x^2-8x-10=0 to complete the square? Show all work!!! A) 8 B)-8 C)4 D)-4?

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  • What number should be added to 2x^2-8x-10=0 to complete the square? Show all work!!! A) 8 B)-8 C)4 D)-4?


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Algebra 2 McGraw-Hill ... three times the square of a number 3x2 b ... (2. 3 + 25) ÷ 1. 5 Evaluate each expression if a = -9, b = 2_ 3 , c = 8, and d = -6. 4.
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