alsabbaghl321 alsabbaghl321
  • 15-10-2016
  • Mathematics
contestada

Which is the correct step below for using the grouping method to factor the following polynomial? 8x - 6 - 12x2 + 9x

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msyatham
msyatham msyatham
  • 15-10-2016
8x - 6 - 12x^2 + 9x

2(4x-3)-3x(3x-3)

=> (2-3x)(3x-3)

=> 3(x-1)(2-3x)
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apologiabiology
apologiabiology apologiabiology
  • 15-10-2016
order from highest power to lowest
-12x^2+9x+8x-6
group
(-12x^2+9x)+(8x-6)
factor
(-3x)(4x-3)+(2)(4x-3)
undistribute
(-3x+2)(4x-3)

(4x-3)(2-3x)
Answer Link

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