Answers

2014-03-25T19:24:18+05:30
Brother simply factorise and get x=-4, -2/3 and y=-1/2 ,-4/7
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2014-03-26T12:23:58+05:30
3x^2+14x+8=0
3x^2+12x+2x+8=0
3x(x+4)+2(x+4)=0
x=-4   x=-2/3


14y^2+15y+4=0
14y^2+7y8y+4=0
7y(2y+1)+4(2y+1)=0
y=-1/2    y=-4/7
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