solve this 5y square +13y-6>0?

5 *y square +13y-6>0

2007-12-13 06:20:07 · 2 answers · asked by Natalie S 1 in Science & Mathematics ➔ Mathematics

5y² + 13y - 6 > 0
(5y - 2)(y + 3) > 0
y < - 3 and y > 2/5

2007-12-16 05:58:44 · answer #1 · answered by Como 7 · 0⤊ 0⤋

5y^2+13y-6>0
5y^2+15y-2y-6>0
5y(y+3)-2(y-3)>0
(5y-2)(y+3)>0
so
5y-2>0
5y>2
y>2/5

or
y+3>0
y>-3

so y>2/5 or -3

2007-12-13 06:26:46 · answer #2 · answered by Siva 5 · 1⤊ 0⤋

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