Factor by grouping (sometimes called the ac-method) 12x^2-5x-2

asked Feb 27, 2024 26.7k views

3 votes

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4 votes

Answer:

HI,

Explanation:

Here is the AC-DC method:

$12x^2-5x-2\\\\=12x^2+3x-8x-2\\\\=3x(4x+1)-2(4x+1)\\\\=(4x+1)(3x-2)\\\\$

Or this other highway to Hell:

$12x^2-5x-2\\\\=12x^2-8x+3x-2\\\\=4x(3x-2)+(3x-2)\\\\=(3x-2)(4x+1)\\$

Ethanolle answered Mar 2, 2024

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