Solve this quadratic equation using the quadratic formula. 3x2 + 5x + 1 = 0

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

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Combine like terms to make a simpler expression 3z+z