1.

[x+3)+6=[x+2] [x-2] check whether it is a quadratic equation​

Answer»

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

\implies x + 3 + 6 = x^{2} - 2^{2}

\implies x + 9 = x^{2} - 4

\implies 0 = x^{2} - 4 - x - 9

\implies x^{2} - x - 13 = 0

Degree \:of \: above \:equation \:is \: 2

THEREFORE.,

(x+3)+6 = (x+2)(x-2) \:is \\\green {a \: Quadratic \:equation .}

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