Question

Reduza as expressões algébricas a seguir.

1.a)5x - 7y + 9 + 10 x - y


1.b)8 - 6a + 9 + 18a


1.c)8b + 10 ab - a + 6b - 2 ab- 3a


1.d)12x - 7x² + 23x² - 10 x

Answer 1

Resposta:

a)15x-8y+9

b)12a+17

c)–4a+15b+8ab

d)16x²+2x

Explicação passo-a-passo:

a)5x-7y+9+10x-y

=5x+10x-7y-y+9

=15x-8y+9

b)8-6a+9+18a

=–6a+18a+9+8

=12a+17

c)8b+10ab-a+6b-2ab-3a

=–a–3a+8b+6b+10ab-2ab

=–4a+15b+8ab

d)12x–7x²+23x²–10x

–7x²+23x²+12x–10x

16x²+2x