Question

help plz...Determine which polynomial is a difference of two squares.

x2 + 14

x2 − 14

x2 + 49

x2 − 49

Question 17

[8.06] Select the factors of x2 − 16x + 64.

(x + 4)(x + 16)

(x − 4)(x − 16)

(x + 8)(x + 8)

(x − 8)(x − 8)

Question 18

[8.06] Identify the factors of 9x2 + 30x + 25.

(3x − 5)(3x − 5)

(3x + 5)(3x + 5)

(9x + 5)(x + 5)

(9x − 5)(x − 5)

Question 19

[8.01] Factor completely: −6x2 + 18x − 24

−1(x2 − 18x + 24)

−6x(x2 − 3x + 4)

−6(x2 − 3x + 4)

−6(x2 + 3x − 4)