Explicación paso a paso:
a)
[tex]{(5 + m) }^{2} [/tex]
b)
[tex](9 + r) \times (11 + r)[/tex]
[tex] {r}^{2} + 20r + 99[/tex]
No es producto notable
c)
[tex](4x + 10) \times (10x - 6)[/tex]
[tex](2x + 5) \times (5x - 3)[/tex]
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Explicación paso a paso:
a)
[tex]{(5 + m) }^{2} [/tex]
b)
[tex](9 + r) \times (11 + r)[/tex]
[tex] {r}^{2} + 20r + 99[/tex]
No es producto notable
c)
[tex](4x + 10) \times (10x - 6)[/tex]
[tex](2x + 5) \times (5x - 3)[/tex]