Math, asked by navyuggarg9275, 8 months ago

Which of the following is a quadratic equation? *
- k^2 + 5k + 7 =0
(x+ 4)^2 = (x - 1)(x + 3)
x^2 +9x - 2
x^3 - 7x +2 =0

Answers

Answered by Blackmarks338

0

Answer:

2854is last answer I think so

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