Respuesta:
4b²-c²
Explicación paso a paso:
(2b+c)(2b-c)=
4b²-2bc+2bc-c²
......
[tex](2b + c)(2b - c) = (2 {b})^{2} - {c}^{2} = 4 {b}^{2} - {c}^{2} [/tex]
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Verified answer
Respuesta:
4b²-c²
Explicación paso a paso:
(2b+c)(2b-c)=
4b²-2bc+2bc-c²
4b²-c²
Formula: (a-b)
(a+b)=a²-b²;
......
[tex](2b + c)(2b - c) = (2 {b})^{2} - {c}^{2} = 4 {b}^{2} - {c}^{2} [/tex]
BY:
[tex] \red{ALIKHIMAN}[/tex]