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Mathematics

1 answer:

AlekseyPX1 year ago

7 0

Answer: Real, equal, rational.

Step-by-step explanation:

$-x^2-8x-16=0\\-(x^2+8x+16)=0\\Multiply \ the\ left \ and\ right \ sides\ of\ the\ equation\ by \ -1:\\x^2+8x+16=0\\x^2+2*x*4+4^2=0\\(x+4)^2=0\\x+4=0\\x=-4.$

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