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5 votes
What are the zeros of the equation X2 - 12x + 11 equals 0

a. x=1 or x=11
b. x=5 or x=6
c. x=3 or x=8
d. x=2 or x=10

User Loliki
by
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2 Answers

2 votes

x^2-12x+11=0\\x^2-x-11x+11=0\\x(x-1)-11(x-1)=0\\(x-1)(x-11)=0\iff x-1=0\ or\ x-11=0\\\\\boxed{x=1\ or\ x=11}\to\fbox{a.}
User ChiakiYu
by
8.6k points
7 votes
The answer is a. x=1 or x=11. Hope this helped.
User Sagar Gala
by
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