Question

Simplificación:
2(a²+6+5)-2(3a²-2ab+6-3)
a(a+6+5)-6(2-4+30)
5a(2-3a-7)-2a+5a²-4
5(x+y+4)-(x-33y+15)
(x²+xy+3)-4(2x²-3y-4)

Answer 1

ahi vanlas solucines