Hello from MrBillDoesMath!
Answer: Choice B, 2(x+7)(x+7)
Discussion:
For 2 out of each term in the polynomial:
2x^2+28x+98 =
2( x^2 + 14x + 49).
Note the 14 = 7 + 7 and 49 = 7*7 sp the polynomial factors as
2 (x+7)^2
which is choice B.
Thank you,
MrB
