The system of equations are
that can be used to find the roots of the equation
Option (a) is correct.
Further explanation:
Given:
The equation is 
The options are as follows,
(a). 
(b). 
(c). 
(d). 
Explanation:
The given equation is 
Consider the left hand side of the equation
as y and the right hand side of the equation
as y.

The equation matches with option (a). Hence, option (a) is correct.
The system of equations are
that can be used to find the roots of the equation
. Option (a) is correct.
Learn more:
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Answer details:
Grade: High School
Subject: Mathematics
Chapter: Polynomials
Keywords: polynomial, solution, linear equation, quadratic equation, system of equations, solution of the equations.