Solve the quadratic equation.

1 answer:

4 0

Answer:

D 1 and -1

Step-by-step explanation:

$8 {x}^{2} + 16x + 8 = 0$

divided by 8

${x}^{2} + 2x + 1 = 0$

(x+1)(x+1)=0

so x=+-1

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