Question

efetue as adições algébricas :

Answer 1

a)$a^{2} +6a^{2} -2a^{2} = 7a^{2}-2a^{2} =5a^{2}$

b)$17ax-18ax+ax-3ax=-1ax-2ax=-3ax$

c)$x+\frac{1}{5}x+\frac{2}{3}x= \frac{x.15+1.3+2.5x}{15} =\frac{15x+3+10x}{15} =\frac{25x+3}{15}$

d)$1,2abc+5,6abc-2,3abc= 6,8abc-2,3abc=4,5abc$