(2 ^ 2 + 3 ^ 2 - 4 ^ 2) = (3/2) ^ 2
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Step-by-step explanation:
- 2² + 3² - 4² = (3/2)²
- 4 + 9 - 16 = 9/4
- 13 - 16 = 9/4
- -3(4) = 9
- -12 = 9
- =12 + 9
- 21
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