8х²-4х+3-5х²-2х-3=3х²-6х=3х(х-2).
3*(-4,4)*(-4,4-2)=3*4,4*6,4=84,48
1. (4/3)^2 * 1/8 / 4/81 = 16 *1 *81 /9 * 8 * 4= 4,5
3.= - 4^2 * 3^3 * 4^3 *3^2 / 4^2 *2 *3^4 = -4^5 * 3^5 /2*4^2 * 3^4 =
-4^3 *3 /2= -64 *3 /2= -32/3
=
X^2+49+14x
121+x^2-22x
100+x^2+20x
64+x^2+16x