Question

Reduza os termos semelhantes:<br />
A) (Y-2)²+Y²-3+(Y+5)²<br />
B) (M+N)x(N+M)+(M+N)²<br />

Answer 1

y²-4y+4+y²-3+y²+10y+25
3y²+6y+26

(M+N)²+(M+N)²
M²+2MN+N²+M²+2MN+N²
2M²+4MN+2N²