3x + y = 2 3x²+y²+xy = 6
1 answer:
Answer:
Step-by-step explanation:
Solve simultaneously by substitution method;
3x²+y²+xy=6---eqn1
x+y=2 square throughout the equation
X²+y²=4
Then 3(4)+xy=6 after replacing
X²+y²=4
Xy=6/12-->1/2
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