Factor by grouping: 16x³ +28x² – 28x – 49 = 0 A) (4x²-7) (4x + 7) = 0 B (4x² + 7) (4x + 7) = 0 C(4x² + 7) (4x –

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1. Factor by grouping: 16x³ +28x² – 28x – 49 = 0 is  (4x² – 7) (4x – 7) = 0

   What is factoring by grouping?

   Large polynomials can be divided into groups based on a common factor. As a result, we may factor each distinct group and then merge like words. We refer to this as factoring by grouping.

   We have the equation,

   16x³ +28x² – 28x – 49 = 0

   In order to solve the equation by using factor by grouping:

   We find common terms in between,

   So, we arrange the terms,

   16x³ +28x² – 28x – 49 = 0

   4x² (4x – 7) -7 (4x – 7) = 0

   Here, we have common term (4x-7).

   Factor out the common binomial.

   (4x² – 7) (4x – 7) = 0

   Therefore, (4x² – 7) (4x – 7) = 0 is the factor.

   To learn more about the factoring by grouping;

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