Question

1. (2y-3)(3y+1)+2(y-5)(y+5)=2(1-2y)^+6y 2. (a-1)(a^2+1)(a^4-a^2+1)(a^6-1)

Answer 1

1. (6y^2-7y-3)+2y^2-50=2-8y+8y^2+6y
 8y^2-7y-53=2-2y+8y^2
5y=-55
y=-11