Question

polinomio (b+2) elevado a 2​

Answer 1

Resposta:

(b+2)² = (b+2)*(b+2)

=b*(b+2)+2*(b+2)

=b²+2b+2b+2*2

=b²+4b+4

ou

(b+2)²=b²+2*b*2+2²

=b²+4b+4

Answer 2

Resposta:

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