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Quadratic equations

is one variable is a methamatical sentence of degree 2 it can be written in standard form

ax² +bx +C = 0

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solution

(X+2 ) ² = 0 = quadratic equation

because it have variable 2 (²)

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(X+2)² =0

= 1 - 2² = 0

a = 1

b= 2²

c = 0