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which of the following is a quadratic equation?
a. 3x²+5r-1
b. x²+4x6=0
c. 5t-8=9
d. 4x²-6x<2
pa help deadline na kasi huhu:(​


Sagot :

Answer:

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There are two main reasons that people use comparison and contrast: 1. To Explain--You might compare and contrast kinds of food, for instance, to help someone understand which food need to be refrigerated and which can be stored in a cabinet or in a bowl on the counter.

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