Quanto é: xa + xb + ta + tb? Por Favor ALGUÉM ME AJUDA preciso muito!

1 answer:

8 0

Seja E a expressão que queremos calcular:

$E=xa+xb+ta+tb\\\\
E=x(a+b)+t(a+b)\\\\
\boxed{E=(x+t)(a+b)}$

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