Answers

2016-06-21T20:59:06+08:00
2016-06-21T21:06:03+08:00
(x+2)sq. = 3(x+2) x sq.+ 4x+ 4 = 3x +6 4x + x +4 = 3x- 3x +6-6 4x + x +4 =0 a=4 b=1 c=4 quadratic equation into standard form
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