Which polynomial has factors of 4x – 7 and x + 4?

3x2 + x – 3
4x2 + 9x – 28
3x2 – 7x – 3
4x2 – 23x – 28

Question

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Respuesta :

mathstudent55 mathstudent55 · Answer 1 · 2020-08-04T23:01:07+02:00

Answer:

B. 4x2 + 9x – 28

Step-by-step explanation:

Multiply out the factors and see what polynomial you end up with.

(4x – 7)(x + 4) = 4x^2 + 16x - 7x - 28 = 4x^2 + 9x - 28

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Guillermoarroyo479 Guillermoarroyo479 · Answer 2 · 2020-10-09T18:31:29+02:00

Answer:

B

Step-by-step explanation:

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