Question

The two roots of the quadratic equation x2 + 6x +9 =0 are ------ and -------​

Answer 1

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Answer 2

Step-by-step explanation:

$x {}^{2} + 6x + 9 = 0 \\ x {}^{2} + 3x + 3x + 9 = 0 \\ x(x + 3) + 3(x + 3) = 0 \\ \\ (x + 3)(x + 3) = 0 \\ x = - 3 \\ - 3$