Respuesta:
=53
Explicación paso a paso:
= [tex]a^{2}[/tex] +3ab-b
=[tex]5^{2}[/tex] +3(5x2) -2
= 25 + 3(10) -2
=25+30 -2
=55-2
a=5
b=2
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Verified answer
Respuesta:
=53
Explicación paso a paso:
= [tex]a^{2}[/tex] +3ab-b
=[tex]5^{2}[/tex] +3(5x2) -2
= 25 + 3(10) -2
=25+30 -2
=55-2
=53
a=5
b=2