Question

need a solutions step by step please
16x^2-2x-1=0

Answer 1

you can not factor this so you need to use the quadratic formula
\[x=[-b \pm \sqrt{b ^{2}-4ac}]/2a\]

Answer 2

a=16, b=-2, c=-1

Answer 3

[2+/- sqrt(4-4(16)(-1)]/2(16)

Answer 4

[2 +/- sqrt(4-(-64))]/32
[2 +/- sqrt(68)]/32

Answer 5

nice jpg

Answer 6

thanks Joemath n mrjoselson. Joemath onece again thanks u always help me.

Answer 7

i nd yur help now mr.joselson