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Which operation is not used in the phrase twice a number decreased by 4, divided by 8

asked Feb 24, 2021

Mathematics
middle-school

2 answers

3 votes

25.3k views

It is given that 2+i is a root of the quadratic equation x^2+ax+b=0 Find the values of the real numbers a and b.

asked Dec 21, 2020

Mathematics
middle-school

1 answer

0 votes

200k views

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