Question

x2
$x {}^{2} - 12 + 11 = 0$
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Answer 1

x^2 - 12+11=0

x^2 - 1=0

(X -1)(X+1)=0

X = 1 and -1

using identity

(x^2 - y^2)=(x+y)(x-y)

Answer 2

Answer:

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give me time i will solve amd let you know the correct and