Question

heory of quadratic equation
2 Solution when both equations are quadrati
Example 23 Solve the system
x+y=4
2r - y = 8
Solution x+y=4
2r-y = 8
Add (i) and (ii) to eliminate y
+y
2-y-
3r 12
Whe
**2
ubstitute the values of xin gives the corresponding
then x = 2, we get (2) + y =4
y=0
=0
the solutions of the given system are (-2,0) and (2.0
-2.0), (2.0)​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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