Question

pls give this answer​

Answer 1

Explanation:

D =b2-4ac

=1-4*1*(-2)

=1+8

=9

D=9

√D=3

x=-b+or-√D div by 2

-1+or-3div by 2

when we add

-1+3div by2

=-1

when we subtract

-1-3div by 2

=-4by 2

which is -2

x=-1or x=-2

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