tahlil764 tahlil764

21-11-2021
Mathematics

contestada

please help me completing square
x^²+2x-24=0

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felipegomes220 felipegomes220

21-11-2021

Answer:

Step-by-step explanation:

x² + 2x -24 = 0

delta = 2² - 4*1*(-24)

delta = 4 + 96

delta = 100

x' = (-2 + [tex]\sqrt{100}[/tex]) / 2*1

x' = (-2 + 10) / 2

x' = 8 / 2

x' = 4

x" = (-2 -10) / 2

x" = -12 / 2

x" = -6

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