which of the following is o quadratic equation ?
a) x²+3x+1=(x-2)²
b) x³-1=0
c) (x+1)²=5(x-9)
d) 5x+9=0
Answers
Answered by
1
Answer:
a is quadratic because of power root 2
Answered by
0
Answer:
i tell simple answer
Step-by-step explanation:
2. is a correct answer
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