Problem 42 of 7
Factor difference of squares 4(x+2)^2-9 and identify zeros.
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apply conjugate-factor pattern.
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Quadratic or quadratic-form expression must be a difference of squares.
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Solution
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1. Recognize a^2-b^2.
2. Factor into conjugates.
3. Set each factor equal to zero.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Omitting one symmetric zero.