Xgirl909 Xgirl909
  • 22-08-2020
  • Mathematics
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Enter the solutions from least to greatest. -2x^2 -9=-107

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Space
Space Space
  • 22-08-2020

Answer:

x = -7, 7

Step-by-step explanation:

Step 1: Write out equation

-2x² - 9 = -107

Step 2: Add 9 on both sides

-2x² = -98

Step 3: Divide both sides by -2

x² = 49

Step 4: Square root both sides

x = ±7

Step 5: Arrange

-7 < 7

So x = -7, 7

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