Question

x(x+3)+6=(x+2)(x-2)​

Answer 1

Step-by-step explanation:

x(x+3)+6=(x+2)(x-2)

x^2+3x+6= x^2-4

x^2-x^2+3x+6+4=0

3x+10=0

3x= -10

x= -10/3

It has only one root

it is not a quadratic polynomial

Answer 2

Answer:

$x = - \frac{10}{3}$

is the answer

Step-by-step explanation:

$x(x + 3) + 6 = (x + 2)(x - 2) \\ x {}^{2} + 3x + 6 = x {}^{2} - 4 \\ 3x + 6 = - 4 \\ 3x = - 4 - 6 \\ 3x = - 10 \\ x = - \frac{10}{3}$

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