Question

VALE 28 PONTOS!!!

1°Reduza os termos semelhantes.
$4x - 2a + x$
$x + a + 5x + 8a$
$- 9a + 7x - 2a$
$5 {x}^{2} + 3a + 6 {x}^{2} - 8a$
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Answer 1

Resposta:

a)

4x+x-2a

=

5x-2a

b)

x+5x+a+8a

=6x+9a

c)

-9a-2a+7x

=-11a+7x

d)

5x²+6x²+3a-8a

=11x²-5a