Solve the following equation: x2-7=5
1 answer
Answers
Answer:x = ±2√3Step-by-step explanation:Step 1: Write equationx² - 7 = 5Step 2: Solve for xAdd 7 to both sides: x² = 12Square root both sides: x = ±√12Simplify: x = ±2√3Step 3: CheckPlug in x to verify if it's a solution.(2√3)² - 7 = 54(3) - 7 = 512 - 7 = 55 = 5(-2√3)² - 7 = 54(3) - 7 = 512 - 7 = 55 = 5
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