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Question Number 13002 by Joel577 last updated on 10/May/17
3(x−3)(x−y−2)=15(x2−2xy+y2+x−y−3/2)=5Findthevalueofxandy
Answered by 433 last updated on 10/May/17
3(x−3)(x−y−2)=30(x−3)(x−y−2)=0x=3orx−y=2ifx=35(9−6y+y2+3−y−32)=5129−6y+y2+3−y−32=12y2−7y+10=0y=5ory=2ifx−y=25((x−y)2+(x−y)−32)=5125(4+2−32)=512532=512(x,y)∈{(3,5),(3,2)}
Commented by Joel577 last updated on 11/May/17
thankyouverymuch
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