Question

please give me answer fast please​

Answer 1

Answer:

1) 2y^3+4y^2+3+15y^4+10y^3-3y^2=15y^4+12y^3+y^2+3 .Ans

2)(4x-5)-(3x^2-7x+8)=4x-5-3x^2+7x-8= -3x^2+11x-13 .Ans

3)(3x^2-2x)(4x^3-3x^2)=12x^5-9x^4-8x^4+6x^3 .Ans

Answer 2

Answer:

1(15y^4+12y^3+y^2+3)