(6h-1)(4h^2+h+3)

Answer 1

(6h-1)(4h^2 +h+3)
= 4h^2(6h-1)
+ h(6h-1)
+ 3(6h-1)
= ?
Multiply them out and combine the terms with the same exponent of h, such as
-4h^2 +6h^2 = 2h^2