What will the first row of this multiplication be?
a. -20x^3-5x^2+15x-20
b. -20x^3+0x^2+15x-20
c. 4x^3+0x^2-1x-1
d. 4x^3+0x^2-6x-20

What will the first row of this multiplication be a 20x35x215x20 b 20x30x215x20 c 4x30x21x1 d 4x30x26x20 class=