Question

1. Which of the following is not a quadratic equations?
0 (x+2)+(x+2)=2(x+3)
Ox+3x=(-1)(1-3x)
O (x+2)(x-1)=x2-2x-3
O x2-x2+2x+1=(x+1)​

Answer 1

Answer:

(x+2) +(x+2)=2 (x+3)

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Answer 2

I think (x+2)(x-1)=x2-2x-3