Question

Scoateti factor comun:
a)3(2+5x)²-x(2+5x)+5(2+5x);
b)(x-y)(2x-y)+(x-y)²-3y(x-y);
c)(x+3)(x-2y)-(x-2y)(x+1)+5x(x-2y);
d)(3a-5)²-2(5-3a)+(a-5)(3a-5);
e)(5-2x)(7x-2)+7x(2-7x)-(7x-2)²;
f)(y-6)³+(y+1)(y-6)²-(5-3y)(y-6)²;
g)(4y-5z)(2y+z)-(3y-z)(5z-4y)+(5z-4y)²;
h)(2y+3z)²(y-z)+3(2y+3z)³-2(3y+4z)(3z+2y)².

Answer 1

Ti am atasat o poza. Sper sa intelegi