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5x^2+2x-3=?

2007-05-01 13:24:40 · 3 answers · asked by Edward L 1 in Science & Mathematics ➔ Mathematics

3 answers

5x^2+2x-3
=5x^2+5x-3x-3
=5x(x+1)-3(x+1)
=(x+1)(5x-3)

2007-05-01 14:16:51 · answer #1 · answered by alpha 7 · 0⤊ 0⤋

5x^2+2x-3 = (5x -3)(x + 1)

2007-05-01 20:32:33 · answer #2 · answered by John S 6 · 0⤊ 0⤋

5x^2+2x-3=0
(5x-3)(x+1)=0
5x-1=0
x+1=0
x=1/5 or x=-1

2007-05-01 21:28:47 · answer #3 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋

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