Solve the following quadratic equation using the quadratic equation

x^2+4x+1=0

A:x={2,−2}

B:x={3√, −3√}

C:x={1, −5}

D:x={−2+3√,−2−3√}

2 2/3 hours duhh silly

step-by-step explanation:

it's possible to build a triangle with side lengths of 3, 3, and 9.- true ( b.)

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