Answered

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What method would you choose to solve the
method.
DONE
equation 2x2 - 7 = 9? Explain why you chose this

Sagot :

Answer:

see explanation

Step-by-step explanation:

2x² - 7 = 9 ( add 7 to both sides )

2x² = 16 ( divide both sides by 2 )

x² = 8 ( take square root of both sides )

x = ± [tex]\sqrt{8}[/tex] ← exact values

This method is useful when there are only numeric values to deal with

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