3
(2x + 4)(3x + 8)
= 6x^2 + 16x + 12x + 32
=6x^2 + 28x + 32
Added 6/23/2018 10:10:05 AM
This answer has been confirmed as correct and helpful.
3
(2x + a)(3x^2 + b)
= 6x^3 + 2bx + 3ax^2 + ab
= ab + 3ax^2 + 2bx + 6x^3
Added 6/23/2018 10:11:23 AM
This answer has been confirmed as correct and helpful.
3
(r + s)(r^2 - rs + s^2)
= r^3 - r^2s + rs^2 + r^2s - rs^2 + s^3
= r^3 + s^3
Added 6/23/2018 10:12:50 AM
This answer has been confirmed as correct and helpful.
