Plsssss help I need this done will mark you brainliest
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Answer:
x = ± [tex]\sqrt{10}[/tex]
Step-by-step explanation:
Given
5 - 2x² = - 15 ( subtract 5 from both sides )
- 2x² = - 20 ( divide both sides by - 2 )
x² = 10 ( take the square root of both sides )
x = ± [tex]\sqrt{10}[/tex] ← exact solutions