Question

Adicione, reduzindo os termos semelhantes.
a) 6a+3a-7
b) x-8+x
c) 8a+2a
d) 3a-4b+c+3+4a+3b-2+2
e)9x2+4x-3x2+3x

Answer 1

a)

$6a+3a-7$

$9a - 7$

b)

$x-8+x$

$2x - 8$

c)

$8a+2a$

$10a$

d)

$3a-4b+c+3+4a+3b-2+2$

$7a - b + c + 3$

e)

$9x {}^{2} +4x-3x {}^{2} +3x$

$12x {}^{2} + 7x$