SOLUTION: Factor each trinomial using the ac Method 15x² - 7x -2

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Question 148823This question is from textbook Elementary and Intermediate Algebra
: Factor each trinomial using the ac Method
15x² - 7x -2
 This question is from textbook Elementary and Intermediate Algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor each trinomial using the ac Method
15x² - 7x -2
Two numbers whose product is -30 and whose sum is -7.
Numbers are -10 and 3
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15x^2 - 10x + 3x -2
5x(3x-2) + (3x-2)
(3x-2)(5x+1)
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Cheers,
Stan H.