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Which method is most effective? x^2−1=15 a-complete the square b-square root c-factor d-quadratic formula

Which method is most effective? x^2−1=15 a-complete the square b-square root c-factor d-quadratic formula
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Which method is most effective? x^2−1=15

a-complete the square
b-square root
c-factor
d-quadratic formula

asked
User Llasram
by
8.2k points

1 Answer

4 votes

Explanation:

b.square root

x²-1=15

x²=16

square root on both side

x±4

answered
User RajaKumar
by
7.6k points
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