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Oksanka [162]
3 years ago
11

Q:

Mathematics
1 answer:
xenn [34]3 years ago
6 0

Step-by-step explanation:

2x^2 + x - 28

= 2x^2 - 8x + 7x - 28

= 2x(x-4) +7(x-4)

= (2x+7)(x-4)

2x+7 = 0 or x-4 = 0

x = -7/4 or x = 4

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