Latest exam Aptitude Question SOLUTION: Solve by completing the square: x^2 - 16x + 63 = 0 I have four answers: a) -7, 9 b) 7,9 C) 7, -9 D) -7, -9 When I plug in these answers, I do not come up with zero, am I doing

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(#M40120191) EXAM Numerical Ability question Keep an EYE

Solve by completing the square:
x^2 - 16x + 63 = 0

I have four answers:
a) -7, 9
b) 7,9
C) 7, -9
D) -7, -9

When I plug in these answers, I do not come up with zero, am I doing something wrong? Thank you for your help!

Asked In exam (9 years ago)

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