stitch5497
stitch5497
16-01-2016
Mathematics
contestada
whats the factors of 9x^2+3x-2
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Billymkhoi
Billymkhoi
16-01-2016
9x^2+ 3x -2
= 9x^2+ (6x -3x) -2
= (9x^2+ 6x)+ (-3x -2)
= 3x(3x+2) -1(3x+2)
= (3x-1)(3x+2)
The factors of 9x^2+3x-2 are 3x-1 and 3x+2
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Exvited
Exvited
16-01-2016
[tex]9x^2+3x-2 \\ \\ 9x^2 + 6x - 3x - 2 \\ \\ 3x(3x + 2) - (3x + 2) \\ \\ (3x + 2)(3x - 1) \\ \\ Answer: \fbox {(3x + 2)(3x - 1)} [/tex]
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