Question

Aduceti la o forma mai simpla :
a) (2x-3)²+(2x+3)²
b) (3x+1)²(x+3)²
c) (5-2x) (5+2x)-(3-2x) (3+2x)
d) 4(x-2)²+12(x-2) +9-(2x-1)²
e) (2x-1)² -2(2x-1)(2x+1) + (2x+1)²
f) (2x-1)² -5x(x-2) -(1-x)(1+x)
g) (x-2)(x+2)(x²+4)-(x²-1)²

Answer 1

sper ca te.am ajutat!