The polynomial expression is
.
To find the GCF in above binomial expression
.
Factors of
: 2, x, x2, x3, x4, x5 .
Factors of
: 2, 7, 14, 98 x3.
Then the GCF is 2x3.
Combine like terms using distributive property:
.

Apply difference of squares formula:
.

Apply defference of squares formula:
.

The solution is
.