Question

Solve. x2 = 6x – 6

Answer 1

By ax² + bx + c = 0 form..

a = 1
b = -6
c = 6

Then, by quadratic form..

x = (-b ± √(b² - 4ac))/2a
= (6 ± √((-6)² - 4*1*6))/2
= (6 ± √(36 - 24))/2
= (6 ± √12)/2
= (6 ± 2√3)/2
= 2(3 ± √3)/2
= 3 ± √3

Answer 2

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