421 3/50 - 212 9/10 please answer
2 answers:
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Answer:
b = 5
Step-by-step explanation:
The given equation is :
.......(1)
It is in the form of quadratic equation. The general form of a quadratic equation is as follows :
.....(2)
Comparing equations (1) and (2), we get :
a = 0.3, b = 5 and c = -7
Hence, the value of b is equal to 5.