Problem 91 of 7
Use an identity to solve polynomial equation 9x^2-(x+1)^2=0.
Hints
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factor via identity and apply zero-product property.
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Factor using an identity and apply zero-product property.
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Solution
Walkthrough
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1. Recognize and factor using the identity.
2. Set each factor equal to zero.
3. Solve each simpler equation.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Solving only one factor.