Answers

2014-02-06T22:34:27+01:00
4(y+3)2-9(x-2)2=1
open brackets 
4y+12+-7(x-2)2+1
4y+12-7x+14+3
4y-7x+29 is the answer
2 5 2
2014-02-08T11:47:30+01:00
4y + 12 -7x+ 14 +2 = 1 
4y - 7x = 28 -1
4y - 7x = 27 
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