Respuesta :

anchitthawi

[tex]16 {x}^{2} - 49 \\ = {(4x)}^{2} - {7}^{2} \\ = (4x - 7)(4x + 7)[/tex]

Answer:

16 {x}^{2}  - 49 \\  =  {(4x)}^{2} -  {7}^{2}   \\  = (4x - 7)(4x + 7)

Step-by-step explanation:

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