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Mathematics, 24.10.2020 19:20 montecillolinda
Which three steps are correct when solving this quadratic equation by completing the square? x² + 8x +15=0
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Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition
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Mathematics, 22.06.2019 04:00, repirce9141
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Which three steps are correct when solving this quadratic equation by completing the square?
x² + 8...
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