Solve for yyy. -3 = 7\left(y-\dfrac97\right)−3=7(y− 7 9 )minus, 3, equals, 7, left parenthesis, y, minus, start fraction, 9, d
2 answers:
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Answer:
Step-by-step explanation:
Given;
x² - 2x - 1 = 0
Solve by completing the square method;
⇒ take the constant to the right hand side of the equation.
x² - 2x = 1
⇒ take half of coefficient of x = ¹/₂ x -2 = -1
⇒ square half of coefficient of x and add it to the both sides of the equation
⇒ take the square root of both sides;
Therefore, option B is the right solution.
