Question

2. Efectuează:
a) 5ax . 3by;
b) 0,5x la a doua . 4x la a doua ;
c) (-7abc).2a la a doua b;
d) -x.2,5x
va rog ajutatima

Answer 1

[tex]a) 5ax*3by=15abxy\\ b) 0,5x^2*4x^2=2x^4\\ c) (-7abc)*2a^2b=-14 a^{3}b^2c\\ d) -x*2,5x= -2,5 x^{2} [/tex]