Question

x²-x-20 please help me
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Answer 1

Answer:

Your answer will be (x-5)(x+4)

Answer 2

Answer:

-4 or 5

Step-by-step explanation:

using shredharacharya's formula:-

$| \frac{ - b + \sqrt{ {b}^{2} - 4ac} }{2a} |$

where,

a=1

b= -1

c= -20

So,

[1+√(1-80)]/2

Answer can be

(1+9)2

=10/2

=5

OR

(1-9)/2

-8/2

-4