x^2 - 10x + 26 = 8 completing the square mathod how to do this?
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Answer:
x=5±√7
Step-by-step explanation:
x²-10x+26=8
x²-10x+18=0
x²- 2.5x + 5² - 5² +18 = 0
(x-5)²=25-18
(x-5)² = 7
x-5 = ±√7
∴ x=5±√7
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