Question

Which of the following is a quadratic
equaction?
a. X3+1 =x2+2x
O b. (x+1)2=3
O c. x2 +2x =x2+1
o d. x + 1 =x​

Answer 1

Answer:

b (x+1)2=3

Step-by-step explanation:

square the bracket and you will get

x2+2x+1=3

x2+2x-2=0