Question

Multiplique e depois reduza os termos semelhantes:

a)
$2x . (5x-12) +3 . (10x-6 {x}^{2} )\ \textless \ br /\ \textgreater$
b)
$9y \: (y + 3) - 2x(5y - 10)$
c)
$5 \: ( {a}^{2} - 3a) - 4a \: (a - 11)$
d)
$3 \times (3x - 2) + 5(x + 2)$
e)
$10 {t}^{2} .(3t + 4) - t(2 {t}^{2} - t + 4)$

Answer 1

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