2.Fine The Factors Of 9d²_25 A.(3d – 5) (d + 5) B. (3d – 5) (3d – 5) C.(3d + 5) (3d – 5)…
2.Fine the factors of 9d²_25
A.(3d – 5) (d + 5)
B. (3d – 5) (3d – 5)
C.(3d + 5) (3d – 5)
D. (3d + 5) (3d + 5)
Answer:
C. (3d + 5) (3d – 5)
Solution:
9d² – 25
3²d² – 5²
(3d)² – 5²
(3d – 5) (3d + 5)