1) 5x*8y(-7x^2)+(-6x)*3y^2=-18*x*y^2-280*x^3*y
2)2a*a^2*3b+a*8c=8*a*c+6*a^3*b
1) -2(2p-1)+4=6-4*p
2) 33-8(11n-1)-2n =41-90*n
1) 5x*8y(-7x^2)+(-6x)*3y^2=-18*x*y^2-280*x^3*y
2)2a*a^2*3b+a*8c=8*a*c+6*a^3*b
1) -2(2p-1)+4=6-4*p
2) 33-8(11n-1)-2n =41-90*n