a) Add: 8x + 7xy - 6y and -4x + xy - y
Answers
Answered by
0
Answer:
Given that,
x
2
+6y
2
=9xy
x
2
+6y
2
=5xy
⇒x
2
+6y
2
−5xy=0
⇒x
2
−5xy+6y
2
=0
⇒x
2
−(3+2)xy+6y
2
=0
⇒x
2
−3xy−2xy+6y
2
=0
⇒x(x−3y)−2y(x−3y)=0
⇒(x−3y)(x−2y)=0
If x−3y=0 then,x=3y,
y
x
=
1
3
If x−2y=0 then,x=2y,
y
x
=
1
2
Hence, this is the answer.
Step-by-step explanation:
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Answered by
0
Answer:
8x+7xy-6y-4x+xy-y
= 4x+8xy-7y
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