solve this set in roster form
A = {X:X² – 4x-5=0}
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Answer:
A={5,-1}
Step-by-step explanation:
just solve th eq.
x^2-4x-5=0
=x^2-5x+4x-5=0
=x(x-5)+1(x-5)=0
=x=+5,-1
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