Question

Identify which of the following are quadratic equations and which are not 1 ) x= x2 - 2​

Answer 1

Answer:

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Answer 2

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x= x2 - 2=

(x+1)

(x+1) 2

(x+1) 2 =2(x−3)

(x+1) 2 =2(x−3) x

(x+1) 2 =2(x−3) x 2

(x+1) 2 =2(x−3) x 2 +2x+1=2x−6

(x+1) 2 =2(x−3) x 2 +2x+1=2x−6x

(x+1) 2 =2(x−3) x 2 +2x+1=2x−6x 2

(x+1) 2 =2(x−3) x 2 +2x+1=2x−6x 2 +7=0 → Quadratic