Question 1034738
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Assuming you mean:
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{{{x+6)^2=2x+11}}}
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{{{x^2+12x+36=2x+11}}}
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{{{x^2+10x+25=0}}}
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{{{(x+5)(x+5)=0}}}
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{{{x+5=0}}}
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{{{x=-5}}}
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CHECK:
For x=-5
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{{{(x+6)^2=2x+11}}}
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{{{((-5)+6)^2=2(-5)+11}}}
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{{{(-1)^2=(-10)+11}}}
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{{{1=1}}}
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