kari, juan, tami, and brad are the first four people in line to see the open ocean exhibit. kari is not first in line. tami has
2 answers:
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Answer:
x = 3 and x = -7
Step-by-step explanation:
The given quadratic equation is . We need to find the solution of this equation.
If the equation is in the form of , then its solutions are given by :
Here, a = 1, b = 4 and c = -21
Plugging all the values in the value of x, such that :
So, the solutions of the quadratic equation are 3 and -7.