2 years ago

PLS HELP ASAP x^2 - 4x-1=0 Solve using formula

2 answers:

8 0

2x ( x - 2x) = 1

2x= 1

x = 0.5

x-2x = 1

-x = 1

x = -1

4 0

X1=2-Square root 5 x2=2+ Square root 5

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