How do you factor 15x^2 – 25x – 60?
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15x2-25x-60. Step 1 : Equation at the end of step 1 : ((3•5x2) - 25x) - 60. Step 2 : Step 3 : Pulling out like terms : 3.1 Pull out like factors : 15x2 - 25x - 60 = 5 • (3x2 - 5x - 12) Trying to factor by splitting the middle term. 3.2 Factoring 3x2 - 5x - 12. The first term is, 3x2 its coefficient is 3 ....
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15x² - 25x - 60
=> 15x² + 45x - 20x - 60
=> 15x ( x + 3 ) - 20 ( x + 3 )
=> ( x + 3 ) ( 15x - 20 )
=> 5 ( 3x - 4 ) ( x + 3 )
The answer is
5 ( 3x - 4 ) ( x + 3 )
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