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Augustus Golden
Mathematics
4 January, 11:15
3x + y = 2
3x²+y²+xy = 6
+4
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1
)
Sophia
4 January, 11:44
0
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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