help with factoring trinomials?

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help with factoring trinomials?

its 12x^2 + 7x + 1 =0

ive tried a buch of different combos but i cant figure it out..i found the discriminant and if i did it right it can be factored

2007-04-30 12:05:10 · 3 answers · asked by Anonymous in Education & Reference ➔ Homework Help

3 answers

(4x+1)(3x+1) = 0
12x^2 + 4x + 3x + 1 = 0
12x^2 + 7x + 1 = 0

2007-04-30 12:12:22 · answer #1 · answered by graze 3 · 0⤊ 0⤋

(3x+1)(4x+1)=0

use FOIL to see if it is right

3x*4x=12x^2
1*4x=4x and 1*3x=3x 4x+3x=7x
1*1=1

3x+1=0
4x+1=0
3x=-1
4x=-1
x=-1/3 x=-1/4

2007-04-30 19:19:06 · answer #2 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋

(3x+1)(4x+1)=0

2007-04-30 19:12:55 · answer #3 · answered by xxbabiesue123xx 2 · 0⤊ 0⤋