x² - 18x - 4 = o
x² - 18x = 4
x² - 18x + (18/2)² = 4 + (18/2)²
x² - 18x + 81 = 4 + 81
(x - 9)² = 85
x - 9 = ±√85
x = 9 ±√85
x = 9 + √85 or x = 9 - √85
if you are still confused, i want you to follow the related link that explains the concept of completing the square clearly.
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I couldn't answer the question because the question is not proper to slove. I just want you to follow the related link that explains how to solve the equation by completing the square.
Divide all terms by 3 so:- x2-4x = 5 Completing the square:- (x-2)2 = 9 x-2 = -/+3 x = -1 or x = 5
i want to solve few questions of completing square method can u give me some questions on it
Completing the square is a method used to solve a quadratic function. This is a handy method when there are two instances of the same variable in the function.
the problem is not proper to slove. I just want to suggest to follow the related link that explains the concept of completing the square clearly.