Respuesta :

Answer:

[tex]16 {x}^{2} - 9[/tex]

Step-by-step explanation:

Use the F.O.I.L. method

Answer:

1) [tex]81c^{2}[/tex]-1

2) [tex]16x^{2}[/tex]-9

3) [tex]-4y^{2}[/tex]+25

4) [tex]-w^{2}[/tex]+16

Step-by-step explanation:

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