Question

$15 {x}^{2} - 26x - 8$
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

15x^2 - 26x - 8 = (5x + 2) (3x + 5)

Step-by-step explanation:

Find two factors of AC = 15.8 = 120 whose sum is B = 26

The pair 20, 6 works:

20×6=120

20+6=26

Then use these to split the middle term and factor by grouping:

15x2+26x+8

=(15x2+20x)+(6x+8)

=5x(3x+4)+2(3x+4)

=(5x+2)(3x+4)