Question

x2-2x=3 quadratic equations by completing the square

Answer 1

x²-2x=3

x²-2x+1=3+1

(x+1)²=4

x+1=±2

x= 1+2

x=3

or

x= 1-2

x=-1

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Answer 2

Step-by-step explanation:

$\sf{x}^{2} - 2x = 3$

x² - 2x - 3 = 0

x² + x - 3x - 3 = 0

x(x+1) - 3(x + 1) = 0

(x + 1)(x - 3) = 0

x = -1 (or) x = 3

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