Question

Factor the following expression.

27y3 – 343

a. (3y + 7)(9y2 + 2ly + 49)
b. (3y – 7)(9y2 + 2ly + 49)
c. (3y – 7)(932 – 217 + 49)
D. (3y + 7)(92 – 2ly + 49)

Answer 1

b

Explanation:

use formula of a^3-b^3

Answer 2

D

Explanation:

(3y - 7) (9y^2 + 21y + 49)

let me know if it's right

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