Question

simplifique estas outras expressoes, reduzindo os termos semelhantes.

a)$\frac{3}{8}x+ \frac{1}{2}x$
b)$\frac{a}{2}- \frac{2a}{3}$
c)$7p- \frac{3}{5}p$
d)$2 x^{3}+ x^{3}+x+ \frac{1}{2}x$
e)$3a-6a- \frac{3}{5}+1$
d)$\frac{2}{3}a+ \frac{1}{6}- \frac{a}{2}- \frac{1}{9}$

ME AJUDEM POR FAVOR

Answer 1

a
3/8 + 1/2 = ( 3 + 4 )/8 = 7/8 de x = 7x/8 ***
b
( a/2 - 2a/3 = ( 3a - 4a)/6 = -a/6 ****
c
7p/1 - 3/5 de p  =  7p/1 - 3p/5 = ( 35p - 3p)/5 =32p/5 ***
d
(2x³/1 + x³/1) + (x/1 + x/2)  = ( 4x³ + 2x³) + ( 2x + x)= 6x³ + 3x  =                     3x(2x² + 1)****
e
3a/1 - 6a/1 - 3/5 + 1/1 = ( 15a - 30a - 3 + 5)/5 = ( -15a + 2 )****
f
2/3 de a - a/2 + 1/6 - 1/9 = 2a/3 - a/2 + 1/6 - 1/9  =( 24a - 18a + 6 - 4)/36 =    = ( 6a +2)/36 =  2 ( 3a + 1)/36   =(  3a + 1 )/18