Factor completely: 2x^2+5x-16?

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Factor completely: 2x^2+5x-16?

2007-09-02 07:32:39 · 3 answers · asked by eh 1 in Science & Mathematics ➔ Mathematics

3 answers

i dont think that you can factor this only by using the quadratic formula so when you plug in the numbers you would get
negative 5 plus or minus 3timesthesquarerootof17
divided by 4
i think this is the right answer

2007-09-02 09:11:03 · answer #1 · answered by SK07KS 2 · 0⤊ 0⤋

2x^2+5x-16
(2x - 4)( x+4)

2007-09-02 14:35:57 · answer #2 · answered by harry m 6 · 0⤊ 1⤋

(x+1.25 -.75sqrt(17))(x+1.25+.75sqrt(17))

2007-09-02 15:05:22 · answer #3 · answered by ironduke8159 7 · 0⤊ 0⤋