Question

x²-3x-2=0

using ax²+bx+c=0 formula
Please ASAP
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Answer 1

Step-by-step explanation:

Comparing x²-3x-2=0 with ax²+bx+c=0,

a=1, b=-3, c=-2

Discriminent= b^2-4ac

=(-3)^2-4×1×(-2)

=9+8=17

∴By quadratic formula,

x= -b +/- (√b^2-4ac)/2a

=(3 +/- √17)/2

∴x=(3+√17)/2 ; x=(3-√17)/2