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Solve the quadratic equation by completing the square. ATTACHED BELOW!!!!!!NEED HELP FAST!!!!!!!!!!!...
4 months ago
Q:
Solve the quadratic equation by completing the square. ATTACHED BELOW!!!!!!NEED HELP FAST!!!!!!!!!!!!!
Accepted Solution
A:
Answer:See below in bold.Step-by-step explanation:x^2 -10x + 20 = 0x^2 - 10x = -20Completing the square:(x - 5)^2 - 5^2 = -20(x - 5)^2 = 25 - 20(x - 5)^2 = 5.Solving the equation:Taking square roots:x - 5 = +/-√5x = 5 + √5, 5 - √5. To the nearest hundredth that is7.24, 2.76.