(3x-7y+1)^2-(2x-9y-8)^2
Solve it
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Answered by
0
Answer:
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Answered by
0
Answer:
10x=4y+15
Step-by-step explanation:
1) (3x-7y+1)^2= 6x-14y+1
2) (2x-9y-8)^2= 4x-18y-16
(6x-14y+1)-(4x-18y-16)=
(10x-14y+1)-(18y-16)=
(10x+1)-(4y-16)=
10x=4y+15
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